2025 Top 10 Square Bottom Bag Manufacturers in China - Blog

Introduction to Square Bottom Bags

Square bottom bags, also known as block bottom bags, are a type of packaging bag with a unique square - shaped bottom. This design offers several advantages over traditional bags. Firstly, the square bottom provides better stability, allowing the bags to stand upright on store shelves, which enhances product visibility and presentation. Secondly, it offers a larger surface area for branding and labeling, enabling companies to effectively communicate their brand message. Thirdly, square bottom bags can hold more products compared to bags with a regular shape, making them a popular choice for various industries such as food, cosmetics, and pharmaceuticals.

Now, let's take a look at the top 10 square bottom bag manufacturers in China in 2025.

1. Changzhou Dibona Plastics Co., Ltd

Changzhou Dibona Plastics Co., Ltd is a well - established player in the plastic packaging industry. The company has been dedicated to the research, development, production, and sales of high - quality plastic products for many years.

Company IntroductionLocated in Changzhou, a city with a rich industrial heritage in China, Changzhou Dibona Plastics Co., Ltd benefits from a favorable geographical location and a pool of skilled labor. The company has a modern production base equipped with advanced production equipment and strict quality control systems. It adheres to the principle of "quality first, customer - oriented" and has won a good reputation in the market.

In terms of its business scope, the company not only produces square bottom bags but also offers a wide range of plastic packaging products, including plastic films, plastic containers, and other customized plastic solutions. It has a professional R & D team that continuously innovates and improves product performance to meet the changing needs of customers.

Features in Square Bottom Bags

Material Selection: Changzhou Dibona Plastics Co., Ltd uses high - quality plastic materials for its square bottom bags. These materials are carefully selected to ensure good strength, flexibility, and barrier properties. For example, they may use polyethylene (PE) or polypropylene (PP) materials, which are not only durable but also have excellent chemical resistance. This makes the bags suitable for packaging a variety of products, from dry food to liquid products.
Printing Quality: The company has advanced printing technology, which can achieve high - resolution and vivid printing on square bottom bags. Whether it is a simple logo or a complex pattern, the printing effect is clear and long - lasting. This helps customers to enhance their brand image and product attractiveness.
Customization: Changzhou Dibona Plastics Co., Ltd offers customized square bottom bags. Customers can choose different sizes, colors, and printing patterns according to their specific requirements. The company can also provide special features such as zipper closures, easy - tear notches, and anti - static treatments to meet the diverse needs of different industries.

Company Advantages

Quality Assurance: The company has a complete quality control system from raw material procurement to finished product delivery. Each batch of products undergoes strict testing to ensure that they meet national and international quality standards. This gives customers confidence in the reliability of the products.
Cost - effectiveness: With its large - scale production and efficient management, Changzhou Dibona Plastics Co., Ltd can offer competitive prices for its square bottom bags. It can optimize the production process to reduce costs without sacrificing product quality, which is very attractive to cost - sensitive customers.
Customer Service: The company has a professional customer service team that can provide timely and comprehensive after - sales service. Whether it is answering product - related questions or handling complaints, the customer service team is always ready to assist customers.

Website: https://www.dibonaplastics.com/

2. Shenzhen Xinmao Packaging Co., Ltd

Company IntroductionShenzhen Xinmao Packaging Co., Ltd is based in Shenzhen, a city known as the "Silicon Valley of China" with a strong innovation and technology - driven business environment. The company has been focusing on the production of high - end packaging products, including square bottom bags, for over a decade.

It has a state - of - the - art production facility with the latest machinery and equipment imported from Europe and Japan. The company's management team consists of experienced professionals from the packaging industry, who are committed to leading the company to the forefront of the market.

In addition to square bottom bags, Shenzhen Xinmao Packaging Co., Ltd also produces other types of packaging such as paper boxes, plastic trays, and composite packaging. It serves a wide range of industries, including electronics, luxury goods, and high - end food.

Features in Square Bottom Bags

High - end Design: The square bottom bags produced by Shenzhen Xinmao Packaging Co., Ltd are known for their high - end design. The company has a professional design team that can create unique and stylish bag designs according to the brand image and product characteristics of customers. For example, for luxury goods packaging, the bags may feature elegant patterns, gold or silver foil stamping, and embossed logos.
Eco - friendly Materials: In response to the growing demand for environmental protection, the company uses eco - friendly materials in the production of square bottom bags. These materials include biodegradable plastics, recycled paper, and compostable films. This not only meets the environmental requirements of customers but also helps to enhance the corporate social responsibility of the company.
Precision Manufacturing: The company has high - precision manufacturing technology, which ensures the accuracy of bag dimensions and the quality of seams. The square bottom bags have a smooth and even surface, and the edges are neatly sealed, which not only improves the appearance of the bags but also enhances their functionality.

Company Advantages

Innovation Ability: Shenzhen Xinmao Packaging Co., Ltd invests a large amount of resources in research and development. It is constantly exploring new materials, new technologies, and new design concepts to keep up with the market trends. This innovation ability allows the company to provide customers with cutting - edge packaging solutions.
Industry Experience: With more than ten years of experience in the packaging industry, the company has a deep understanding of different industries' packaging needs. It can provide professional advice and solutions to customers, helping them to improve their product packaging and market competitiveness.
Global Reach: The company has established a wide sales network both at home and abroad. It exports its square bottom bags to many countries and regions, which not only expands its market share but also enhances its international influence.

3. Shanghai Jufeng Packaging Materials Co., Ltd

Company IntroductionShanghai Jufeng Packaging Materials Co., Ltd is located in Shanghai, the economic center of China. The company has a long - standing history in the packaging materials industry and has gradually grown into a leading manufacturer of square bottom bags.

It has a large - scale production base with a complete set of production lines, from raw material processing to finished product assembly. The company has a strong technical force, with a group of senior engineers and technicians who are proficient in packaging technology.

Shanghai Jufeng Packaging Materials Co., Ltd focuses on providing comprehensive packaging solutions. In addition to square bottom bags, it also offers packaging materials such as adhesives, tapes, and sealing materials. It serves various industries, including the chemical industry, the building materials industry, and the daily necessities industry.

Features in Square Bottom Bags

Versatile Applications: The square bottom bags produced by Shanghai Jufeng Packaging Materials Co., Ltd are suitable for a wide range of applications. For the chemical industry, the bags can be designed with high - strength and chemical - resistant materials to ensure the safe packaging of chemicals. For the building materials industry, the bags can be made with thick - walled materials to withstand heavy loads.
Good Sealing Performance: The company pays great attention to the sealing performance of square bottom bags. It uses advanced sealing technology, such as heat - sealing and ultrasonic sealing, to ensure that the bags have a tight seal. This can prevent the leakage of products and extend the shelf life of the packaged items.
Cost - efficient Production: Through continuous process improvement and cost control, Shanghai Jufeng Packaging Materials Co., Ltd can achieve cost - efficient production of square bottom bags. It can optimize the use of raw materials and reduce production waste, which enables it to offer cost - effective products to customers.

Company Advantages

Supply Chain Advantage: Located in Shanghai, the company has easy access to a large number of raw material suppliers. It can establish long - term and stable cooperative relationships with suppliers, ensuring the stable supply of high - quality raw materials at a reasonable price.
Technical Support: The company's technical team can provide on - site technical support to customers. Whether it is product installation, debugging, or after - sales maintenance, the technical team can quickly respond to customers' needs and solve problems in a timely manner.
Quality Reputation: Over the years, Shanghai Jufeng Packaging Materials Co., Ltd has built a good quality reputation in the market. Its square bottom bags are widely recognized for their high quality and reliability, which has helped the company to attract a large number of loyal customers.

4. Guangzhou Huamei Packaging Co., Ltd

Company IntroductionGuangzhou Huamei Packaging Co., Ltd is based in Guangzhou, a city with a rich commercial and cultural heritage in southern China. The company specializes in the production of high - quality square bottom bags for the food and beverage industry.

It has a modern production workshop that meets the strict hygiene standards of the food industry. The company has a strict quality management system, from raw material inspection to finished product testing, to ensure the safety and quality of the bags.

In addition to square bottom bags, Guangzhou Huamei Packaging Co., Ltd also provides related packaging services, such as bag filling and labeling. It has established long - term cooperative relationships with many well - known food and beverage companies.

Features in Square Bottom Bags

Food - grade Materials: The square bottom bags produced by Guangzhou Huamei Packaging Co., Ltd are made of food - grade materials that comply with national and international food safety standards. These materials are non - toxic, odorless, and have good barrier properties to prevent the contamination of food by external factors such as oxygen, moisture, and light.
Airtight Design: The company's square bottom bags have an airtight design, which can effectively preserve the freshness and flavor of food. The bags are equipped with special sealing structures, such as double - layer seals and zipper closures, to ensure that the food inside remains in good condition for a long time.
Eye - catching Appearance: The company pays attention to the appearance design of square bottom bags. It can use bright colors and attractive patterns to make the bags stand out on the supermarket shelves. This helps food and beverage companies to increase the market appeal of their products.

Company Advantages

Industry Focus: By focusing on the food and beverage industry, Guangzhou Huamei Packaging Co., Ltd has in - depth knowledge of the industry's specific requirements. It can provide customized solutions that meet the unique needs of food and beverage products, such as different bag sizes for different product volumes and special printing for product information and marketing.
Quality Control: The company's strict quality control system ensures that every square bottom bag meets the highest quality standards. It conducts regular inspections and tests during the production process to eliminate any potential quality problems, which gives food and beverage companies peace of mind when using the bags for packaging.
Customer - centric Service: Guangzhou Huamei Packaging Co., Ltd takes a customer - centric approach. It provides personalized service to each customer, from product design to after - sales support. The company is always willing to listen to customers' opinions and suggestions and make improvements accordingly.

5. Tianjin Hongda Packaging Products Co., Ltd

Company IntroductionTianjin Hongda Packaging Products Co., Ltd is located in Tianjin, a major port city in northern China. The company has a long history in the packaging industry and has developed into a comprehensive packaging manufacturer.

It has a large - scale production base with advanced production equipment and a skilled workforce. The company's business scope covers a wide range of packaging products, including square bottom bags, plastic bottles, and paper packaging. It serves industries such as the chemical, pharmaceutical, and consumer goods industries.

Tianjin Hongda Packaging Products Co., Ltd emphasizes the importance of product quality and customer satisfaction. It has passed various international quality management system certifications, which reflects its commitment to high - quality production.

Features in Square Bottom Bags

Strong Resistance: The square bottom bags produced by Tianjin Hongda Packaging Products Co., Ltd have strong resistance to various external factors. They can withstand high - temperature environments, strong chemicals, and mechanical impacts. This makes the bags suitable for packaging products that require high - strength protection, such as industrial chemicals and heavy - duty consumer goods.
Large - scale Production Capacity: The company has a large - scale production capacity, which can meet the mass - production needs of customers. It can produce a large number of square bottom bags in a short period of time, which is very important for customers with high - volume orders.
Multi - layer Structure: The square bottom bags may have a multi - layer structure, which combines different materials to achieve different functions. For example, an inner layer can be made of a material with good barrier properties, while an outer layer can be made of a material with high strength and abrasion resistance.

Company Advantages

Logistics Advantage: Located in Tianjin, a major port city, the company has convenient transportation and logistics conditions. It can quickly deliver its square bottom bags to customers both at home and abroad, which reduces the transportation time and cost for customers.
Technical Innovation: Tianjin Hongda Packaging Products Co., Ltd continuously invests in technical innovation. It is exploring new materials and production processes to improve the performance and quality of its square bottom bags. This innovation ability helps the company to stay competitive in the market.
Comprehensive Service: The company provides comprehensive service to customers, including product design, production, and after - sales support. It can offer one - stop packaging solutions, which saves customers time and effort in dealing with different suppliers.

6. Chengdu Xinyu Packaging Co., Ltd

Company IntroductionChengdu Xinyu Packaging Co., Ltd is based in Chengdu, the capital city of Sichuan province in southwestern China. The company focuses on the production of square bottom bags for the agricultural and food industries in the region.

It has a production base that combines modern technology with local resources. The company has a team of experts who understand the unique packaging needs of the agricultural and food products in the southwestern region.

In addition to square bottom bags, Chengdu Xinyu Packaging Co., Ltd also provides packaging solutions for other agricultural products, such as fruit and vegetable boxes and grain storage bags. It has established a good reputation in the local market.

Features in Square Bottom Bags

Adaptability to Local Products: The square bottom bags produced by Chengdu Xinyu Packaging Co., Ltd are designed to adapt to the characteristics of local agricultural and food products. For example, for local fruits and vegetables, the bags can be made with breathable materials to maintain the freshness of the products. For local spices and seasonings, the bags can have good sealing performance to preserve the flavor.
Cost - effective for Local Market: The company takes advantage of local resources and labor costs to offer cost - effective square bottom bags to the local market. It can provide high - quality bags at a relatively low price, which is very attractive to local small and medium - sized agricultural and food enterprises.
Localized Design: The company's design team can incorporate local cultural elements into the bag design. This not only makes the bags more attractive but also helps to promote local cultural products.

Company Advantages

Local Market Knowledge: With in - depth knowledge of the local market, Chengdu Xinyu Packaging Co., Ltd can accurately understand the needs and preferences of local customers. It can provide customized packaging solutions that are more suitable for the local market, which gives it a competitive edge over other non - local manufacturers.
Good Relationship with Local Suppliers: The company has established good relationships with local raw material suppliers. This ensures the stable supply of raw materials at a reasonable price and also helps to support the local economy.
After - sales Service in the Region: The company can provide timely and efficient after - sales service in the southwestern region. It can quickly respond to customers' problems and provide on - site support if necessary, which enhances the customer experience.

7. Wuhan Jiahua Packaging Co., Ltd

Company IntroductionWuhan Jiahua Packaging Co., Ltd is located in Wuhan, a central city in China known as the "Thoroughfare to Nine Provinces". The company has a long - standing history in the packaging industry and has a wide range of packaging products, with square bottom bags being one of its main products.

It has a large - scale production plant with advanced production technology and a professional management team. The company serves various industries, including the textile, home appliance, and e - commerce industries.

In addition to manufacturing square bottom bags, Wuhan Jiahua Packaging Co., Ltd also offers packaging design and consulting services. It can help customers to optimize their packaging solutions according to their product characteristics and market positioning.

Features in Square Bottom Bags

Anti - static Function: For the textile and electronics industries, the square bottom bags produced by Wuhan Jiahua Packaging Co., Ltd can be equipped with an anti - static function. This helps to prevent the accumulation of static electricity, which can damage sensitive electronic components or attract dust to textile products.
Lightweight and Durable: The company uses advanced materials and manufacturing processes to make the square bottom bags lightweight yet durable. This not only reduces the transportation cost but also ensures the protection of products during storage and transportation.
Easy - to - open Design: The square bottom bags have an easy - to - open design, which is very convenient for end - users. Whether it is a zipper closure or a tear - off strip, the design is user - friendly and can improve the customer experience.

Company Advantages

Central Location Advantage: Being located in Wuhan, the company has a geographical advantage in terms of transportation and distribution. It can quickly reach different regions in China, which is beneficial for serving customers in a wide area.
Comprehensive Packaging Solutions: Wuhan Jiahua Packaging Co., Ltd can provide comprehensive packaging solutions. In addition to square bottom bags, it can also offer related packaging products such as cushioning materials and strapping tapes. This one - stop service saves customers time and effort in sourcing different packaging items.
Customer - oriented Service Concept: The company adheres to a customer - oriented service concept. It listens to customers' feedback and continuously improves its products and services. It can also provide customized packaging solutions according to customers' specific requirements.

8. Nanjing Yongxing Packaging Co., Ltd

Company IntroductionNanjing Yongxing Packaging Co., Ltd is based in Nanjing, a historical and cultural city in eastern China. The company specializes in the production of square bottom bags for the pharmaceutical and medical device industries.

It has a production facility that meets the strict quality and hygiene standards of the pharmaceutical industry. The company has a professional quality control team that conducts strict inspections at every stage of the production process to ensure the safety and quality of the bags.

In addition to square bottom bags, Nanjing Yongxing Packaging Co., Ltd also provides packaging services for pharmaceutical products, such as blister packaging and bottle labeling. It has established long - term partnerships with many pharmaceutical companies.

Features in Square Bottom Bags

Sterilization Compatibility: The square bottom bags produced by Nanjing Yongxing Packaging Co., Ltd are compatible with different sterilization methods, such as gamma - ray sterilization and ethylene oxide sterilization. This ensures that the bags can be used to package sterile pharmaceutical products and medical devices.
Barrier to Microorganisms: The bags have excellent barrier properties to prevent the penetration of microorganisms. They can effectively protect the pharmaceutical products from contamination during storage and transportation.
Precise Printing for Product Information: The company can provide precise printing on the square bottom bags for product information, including dosage instructions, expiration dates, and batch numbers. The printing is clear and durable, which is very important for the pharmaceutical industry.

Company Advantages

Compliance with Industry Standards: Nanjing Yongxing Packaging Co., Ltd strictly complies with the relevant industry standards and regulations of the pharmaceutical and medical device industries. Its products have passed various certifications, such as ISO 13485 (Medical Device Quality Management System) and GMP (Good Manufacturing Practice), which gives pharmaceutical companies confidence in using its packaging products.
R & D for Pharmaceutical Packaging: The company invests in research and development for pharmaceutical packaging. It is constantly exploring new materials and technologies to improve the performance of its square bottom bags, such as developing more effective barrier materials and more user - friendly opening mechanisms.
Long - term Industry Experience: With long - term experience in the pharmaceutical and medical device packaging industry, the company has a deep understanding of the industry's special requirements. It can provide professional advice and solutions to pharmaceutical companies, helping them to ensure the quality and safety of their products.

9. Hangzhou Meijia Packaging Co., Ltd

Company IntroductionHangzhou Meijia Packaging Co., Ltd is located in Hangzhou, a city famous for its beautiful scenery and advanced technology in China. The company focuses on the production of square bottom bags for the cosmetics and personal care industry.

It has a modern production base with a clean and tidy workshop environment that meets the high - standard requirements of the cosmetics industry. The company has a design team that is familiar with the latest trends in the cosmetics packaging market.

In addition to square bottom bags, Hangzhou Meijia Packaging Co., Ltd also offers other packaging products for cosmetics, such as cosmetic bottles and jars. It has established business relationships with many well - known cosmetics brands.

Features in Square Bottom Bags

Aesthetic Design: The square bottom bags produced by Hangzhou Meijia Packaging Co., Ltd are known for their aesthetic design. The company can create elegant and fashionable bag designs that match the brand image of cosmetics products. It can use high - end printing techniques, such as holographic printing and UV coating, to make the bags more attractive.
Protection for Cosmetics: The bags have good protection performance for cosmetics. They can prevent the oxidation and deterioration of cosmetics by blocking oxygen and light. The bags can also be made with anti - leakage and anti - breakage features to ensure the safety of the products during transportation and storage.
Customized for Different Cosmetics: The company can customize the square bottom bags according to the different types of cosmetics, such as liquid cosmetics, cream cosmetics, and powder cosmetics. For example, for liquid cosmetics, the bags can have a special sealing structure to prevent leakage.

Company Advantages

Innovation in Cosmetics Packaging: Hangzhou Meijia Packaging Co., Ltd is at the forefront of innovation in cosmetics packaging. It is constantly exploring new design concepts and materials to meet the changing needs of the cosmetics industry. This innovation ability allows the company to provide unique and competitive packaging solutions to cosmetics brands.
Quality Control in Cosmetics Packaging: The company has a strict quality control system for cosmetics packaging. It conducts multiple inspections on the bags, from raw material quality to finished product appearance, to ensure that the bags meet the high - quality requirements of the cosmetics industry.
Good Communication with Cosmetics Brands: The company has good communication channels with cosmetics brands. It can understand the brand's marketing strategies and product positioning, and then provide corresponding packaging solutions. This close cooperation helps to enhance the market competitiveness of cosmetics products.

10. Qingdao Haifeng Packaging Co., Ltd

Company IntroductionQingdao Haifeng Packaging Co., Ltd is based in Qingdao, a coastal city in eastern China known for its beautiful beaches and strong manufacturing industry. The company specializes in the production of square bottom bags for the seafood and aquatic product industry.

It has a production base near the port, which is convenient for the transportation of raw materials and finished products. The company has a strict quality management system to ensure the freshness and safety of the seafood and aquatic products during packaging.

In addition to square bottom bags, Qingdao Haifeng Packaging Co., Ltd also provides related packaging services, such as ice - packing and vacuum - packing for seafood. It has established long - term cooperative relationships with many seafood processing and trading companies.

Features in Square Bottom Bags

Cold - resistance and Waterproof: The square bottom bags produced by Qingdao Haifeng Packaging Co., Ltd are cold - resistant and waterproof. They can withstand low - temperature environments, which is very important for packaging frozen seafood and aquatic products. The waterproof property prevents the leakage of water and ice, which helps to keep the products fresh.
Odor - proof: The bags have good odor - proof properties to prevent the spread of the strong smell of seafood. This is beneficial for the storage and transportation of seafood in a closed environment, such as in a refrigerated container.
Large Capacity for Seafood: The company can produce square bottom bags with large capacities to meet the packaging needs of different sizes of seafood and aquatic products. Whether it is small shrimps or large fish, the bags can provide sufficient space for packaging.

Company Advantages

Proximity to Seafood Sources: Being located in a coastal city, Qingdao Haifeng Packaging Co., Ltd has easy access to a large number of seafood sources. It can closely cooperate with local fishermen and seafood processing factories, which ensures the timely supply of raw materials and also helps to understand the specific packaging needs of the seafood industry.
Expertise in Seafood Packaging: The company has in - depth expertise in seafood packaging. It understands the unique requirements of seafood, such as the need for proper ventilation in some cases and the prevention of cross - contamination. It can provide professional packaging solutions to ensure the quality and safety of seafood products.
Logistics for Seafood Transportation: The company can provide logistics support for seafood transportation. It can ensure that the square bottom bags are properly packed and transported to the destination in a timely manner, which helps to reduce the loss of seafood products during transportation.

Summary

In conclusion, the top 10 square bottom bag manufacturers in China in 2025, including Changzhou Dibona Plastics Co., Ltd, Shenzhen Xinmao Packaging Co., Ltd, and others, each have their own unique features and advantages. These manufacturers cover a wide range of industries, from food and beverage to pharmaceuticals, cosmetics, and seafood.

Some manufacturers focus on specific industries, such as Guangzhou Huamei Packaging Co., Ltd in the food and beverage industry and Nanjing Yongxing Packaging Co., Ltd in the pharmaceutical industry. They can provide customized solutions that meet the special requirements of these industries. Others, like Shanghai Jufeng Packaging Materials Co., Ltd, have a more versatile product range and can serve multiple industries.

In terms of product features, the square bottom bags vary in materials, design, and functionality. Some bags are made of food - grade materials, while others have anti - static, airtight, or cold - resistant properties. The design of the bags can range from high - end and aesthetic for cosmetics to practical and cost - effective for agricultural products.

The advantages of these manufacturers also lie in different aspects, such as innovation ability, industry experience, cost - effectiveness, and customer service. With their continuous efforts in research and development, quality control, and market expansion, these manufacturers are expected to play an important role in the global square bottom bag market in the future.