Top 10 Square Bottom Bag Factory in China 2025 - Blog

Introduction to Square Bottom Bags

Square bottom bags, also known as block bottom bags, are a type of packaging bag with a distinct square - shaped bottom. This design offers several advantages over traditional bags. Firstly, they stand upright on store shelves, which enhances product visibility and presentation. This is particularly beneficial for retail products as it allows for better branding and easier customer access. Secondly, the square bottom provides more space inside the bag, enabling it to hold more items compared to bags with a regular shape. They are widely used in various industries, including food, pharmaceuticals, chemicals, and consumer goods for packaging dry goods, powders, liquids, and other products.

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

1. Changzhou Dibona Plastics Co., Ltd

Changzhou Dibona Plastics Co., Ltd is a well - established enterprise in the plastic packaging industry. With years of experience, it has gained a solid reputation for its high - quality products and excellent customer service.

The company is equipped with advanced production equipment and a professional R & D team. Their production facilities adhere to strict quality control standards, ensuring that every square bottom bag leaving the factory meets the highest quality requirements. They use high - grade raw materials, which not only guarantee the strength and durability of the bags but also make them suitable for different types of products, including food - grade applications.

Features in Square Bottom Bags:

Customization: Changzhou Dibona Plastics Co., Ltd offers a high degree of customization for square bottom bags. They can produce bags in various sizes, colors, and printing designs according to the customers' specific needs. Whether it's a small - scale order for a local business or a large - scale contract for a multinational company, they can handle it efficiently.
Quality Assurance: The company has a comprehensive quality control system in place. From the selection of raw materials to the final inspection of the finished products, every step is carefully monitored. This ensures that the square bottom bags are free from defects, have consistent thickness, and excellent sealing performance.
Environment - friendly Options: In response to the growing demand for sustainable packaging, the company also offers eco - friendly square bottom bags. These bags are made from biodegradable or recyclable materials, which helps reduce the environmental impact.

Advantages:

Technical Expertise: Their R & D team is constantly working on improving the production technology and product quality. They are able to introduce new features and designs to the square bottom bags, keeping up with the market trends.
Competitive Pricing: Despite offering high - quality products, Changzhou Dibona Plastics Co., Ltd is able to maintain competitive pricing. This is due to their efficient production processes and cost - control measures, which make their products more attractive to customers.
Good After - sales Service: The company provides excellent after - sales service. They are quick to respond to customers' inquiries and complaints, and are willing to work with customers to solve any problems that may arise.

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

2. Dongguan Jialong Packaging Products Co., Ltd

Dongguan Jialong Packaging Products Co., Ltd has been in the packaging industry for over a decade. It is located in Dongguan, a city known for its strong manufacturing base. The company has a large - scale production plant with a modern production line that can produce a large number of square bottom bags every day.

The company focuses on innovation and has developed a series of unique square bottom bag products. They have a deep understanding of the market demand and are able to design and produce bags that meet the different requirements of various industries.

Features in Square Bottom Bags:

Multi - layer Structure: Dongguan Jialong Packaging Products Co., Ltd's square bottom bags often feature a multi - layer structure. This design provides better protection for the contents inside the bag, such as preventing moisture, oxygen, and light from entering. For example, in the food industry, these multi - layer bags can extend the shelf life of food products.
High - end Printing: The company has advanced printing equipment that can achieve high - quality and detailed printing on the square bottom bags. This allows for clear and vivid branding and product information, which is crucial for marketing purposes.
Strong Sealing: Their square bottom bags have a strong sealing mechanism. Whether it's heat - sealing or other sealing methods, the bags can effectively prevent the leakage of contents, ensuring the safety and integrity of the products.

Advantages:

Industry Experience: With more than ten years of experience in the packaging industry, the company has accumulated a wealth of knowledge and expertise. They are familiar with the industry regulations and standards, and can ensure that their products meet all the necessary requirements.
Large - scale Production Capacity: The large - scale production plant enables the company to fulfill large - volume orders in a timely manner. This is an important advantage for customers who need a large number of square bottom bags for their business operations.
Flexible Production: The company can adjust its production schedule according to the customers' urgent needs. They are able to prioritize orders and ensure that the products are delivered on time, even in case of unexpected situations.

3. Shanghai Xinrong Packaging Co., Ltd

Shanghai Xinrong Packaging Co., Ltd is a well - known packaging enterprise in Shanghai, a major economic and commercial center in China. The company has a professional management team and a group of highly skilled workers.

The company emphasizes on product quality and innovation. They are constantly exploring new materials and production techniques to improve the performance of their square bottom bags.

Features in Square Bottom Bags:

Specialty Materials: Shanghai Xinrong Packaging Co., Ltd uses a variety of specialty materials for their square bottom bags. For example, they may use anti - static materials for packaging electronic products, or high - barrier materials for packaging sensitive chemicals. These specialty materials enhance the functionality of the bags and make them suitable for specific applications.
Ergonomic Design: The company pays attention to the ergonomic design of the square bottom bags. They consider factors such as ease of use, handling, and storage. For example, they may design the bags with convenient handles or easy - open features, which improve the user experience.
Quality Certification: The company's square bottom bags have obtained various international quality certifications, such as ISO 9001, which demonstrates their commitment to quality and compliance with international standards.

Advantages:

Location Advantage: Being located in Shanghai, the company has easy access to a large number of customers, both domestic and international. It also has convenient transportation and logistics facilities, which can ensure the timely delivery of products.
Research and Development Capability: The company invests a significant amount of resources in research and development. This enables them to stay ahead of the competition and introduce new and improved square bottom bag products to the market.
Customer - centric Approach: Shanghai Xinrong Packaging Co., Ltd takes a customer - centric approach. They listen to the customers' feedback and suggestions, and use them to improve their products and services.

4. Shenzhen Tianhe Packaging Co., Ltd

Shenzhen Tianhe Packaging Co., Ltd is a dynamic packaging company based in Shenzhen, a city famous for its high - tech and innovative industries. The company combines modern technology with traditional packaging techniques to produce high - quality square bottom bags.

The company has a strong focus on the international market and has established business relationships with many overseas customers.

Features in Square Bottom Bags:

Smart Packaging Features: Shenzhen Tianhe Packaging Co., Ltd is at the forefront of developing smart packaging solutions for square bottom bags. For example, they may incorporate RFID tags or QR codes on the bags, which can provide product information, traceability, and anti - counterfeiting functions.
Lightweight and Durable: Their square bottom bags are designed to be lightweight yet durable. This not only reduces the transportation cost but also ensures that the bags can withstand the rigors of handling and storage.
Quick Prototyping: The company can quickly produce prototypes of square bottom bags according to the customers' design concepts. This allows the customers to visualize the final product and make necessary adjustments before mass production.

Advantages:

Innovation - driven: Shenzhen Tianhe Packaging Co., Ltd is driven by innovation. They are constantly looking for new ways to improve the performance and functionality of their square bottom bags, which helps them gain a competitive edge in the market.
International Market Experience: With their experience in the international market, the company is familiar with the different requirements and regulations of overseas customers. They can ensure that their products meet the international standards and are suitable for export.
Efficient Supply Chain Management: The company has an efficient supply chain management system in place. This enables them to source raw materials at a reasonable cost, manage production schedules effectively, and deliver products to customers in a timely manner.

5. Hangzhou Zhongda Packaging Co., Ltd

Hangzhou Zhongda Packaging Co., Ltd is a leading packaging company in Hangzhou, a city known for its beautiful scenery and strong economic development. The company has a long - standing reputation for its high - quality square bottom bags and excellent customer service.

The company has a complete set of production equipment, from raw material processing to finished product production. They can control every aspect of the production process, ensuring the stability and quality of the products.

Features in Square Bottom Bags:

High - Precision Production: Hangzhou Zhongda Packaging Co., Ltd uses high - precision production equipment to ensure the accuracy of the square bottom bags' dimensions. This is especially important for products that require precise packaging, such as pharmaceuticals and electronic components.
Rich Color Options: The company offers a wide range of color options for the square bottom bags. They can use advanced color - matching technology to achieve the exact colors requested by the customers, which helps enhance the brand image.
Good Compatibility: Their square bottom bags are compatible with various filling and sealing equipment. This makes it easy for the customers to integrate the bags into their existing production lines.

Advantages:

Quality Reputation: The company has built a good reputation for quality over the years. Customers trust their products and are more likely to place repeat orders.
Skilled Workforce: Hangzhou Zhongda Packaging Co., Ltd has a team of skilled workers who are proficient in operating the production equipment and ensuring the quality of the products. Their expertise contributes to the high - quality output of the company.
Local Support and Resources: Being located in Hangzhou, the company can take advantage of the local support and resources, such as government policies, industry associations, and research institutions. This helps them improve their production technology and product quality.

6. Wuhan Huifeng Packaging Co., Ltd

Wuhan Huifeng Packaging Co., Ltd is an important player in the packaging industry in Wuhan, a major transportation and industrial hub in central China. The company has a large production capacity and can produce a wide variety of square bottom bags.

The company is committed to providing cost - effective packaging solutions to its customers. They understand the cost - pressure that customers face and strive to offer high - quality products at a reasonable price.

Features in Square Bottom Bags:

Cost - effective Design: Wuhan Huifeng Packaging Co., Ltd designs its square bottom bags with cost - effectiveness in mind. They optimize the material usage and production processes to reduce the cost without sacrificing the quality.
Good Stackability: Their square bottom bags are designed to have good stackability. This is important for storage and transportation, as it can save space and reduce the risk of damage to the bags.
Easy - to - use Closures: The company offers square bottom bags with easy - to - use closures, such as zippers or adhesive strips. This makes it convenient for the end - users to open and close the bags.

Advantages:

Cost - advantage: The company's cost - effective production methods allow them to offer competitive prices to the customers. This is a significant advantage in a price - sensitive market.
Central Location: Wuhan's central location provides the company with convenient transportation access to different parts of China. This helps reduce the transportation cost and delivery time for customers.
Customer - oriented Service: Wuhan Huifeng Packaging Co., Ltd focuses on providing customer - oriented service. They are willing to work closely with customers to understand their needs and provide customized solutions.

7. Chengdu Hongda Packaging Co., Ltd

Chengdu Hongda Packaging Co., Ltd is a well - known packaging company in Chengdu, a city with a rich cultural heritage and a growing economy. The company has a strong R & D team and a modern production base.

The company is committed to sustainable development and has made efforts to reduce the environmental impact of its packaging products.

Features in Square Bottom Bags:

Sustainable Materials: Chengdu Hongda Packaging Co., Ltd uses sustainable materials, such as recycled plastics and paper, in the production of square bottom bags. These materials are not only environmentally friendly but also have good performance.
Biodegradable Coatings: They may apply biodegradable coatings on the square bottom bags, which can improve the water - resistance and durability of the bags while still being environmentally friendly.
Aesthetically Pleasing Designs: The company pays attention to the aesthetic design of the square bottom bags. They combine traditional Chinese cultural elements with modern design concepts to create unique and attractive packaging products.

Advantages:

Sustainable Development Vision: The company's focus on sustainable development is in line with the global trend. It helps them meet the increasing demand for environmentally friendly packaging products and gain a good reputation in the market.
Cultural Heritage Integration: By integrating Chinese cultural elements into the bag design, the company can create a unique selling point for its products. This can attract customers who are interested in traditional culture and also enhance the cultural value of the products.
Local Market Penetration: Chengdu Hongda Packaging Co., Ltd has a good understanding of the local market in Chengdu and the surrounding areas. They can better meet the needs of local customers and develop products that are suitable for the local market.

8. Nanjing Longxiang Packaging Co., Ltd

Nanjing Longxiang Packaging Co., Ltd is a packaging enterprise with a long history in Nanjing, a city with a profound historical and cultural background. The company has a stable customer base and a good reputation in the market.

The company has a comprehensive quality management system and a strict production process control. They ensure that every square bottom bag meets the high - quality standards.

Features in Square Bottom Bags:

High - strength Materials: Nanjing Longxiang Packaging Co., Ltd uses high - strength materials in the production of square bottom bags. This makes the bags suitable for packaging heavy - duty products, such as industrial chemicals and building materials.
Custom - made Handles: The company can provide custom - made handles on the square bottom bags according to the customers' requirements. This can improve the convenience of carrying and handling the bags.
Anti - static Treatment: For products that are sensitive to static electricity, the company can apply anti - static treatment to the square bottom bags. This helps protect the products from damage caused by static electricity.

Advantages:

Historical Reputation: The company's long - standing history in the packaging industry has earned it a good reputation. Customers trust their products and are more likely to choose them for their packaging needs.
Quality - focused Management: The company's strict quality management system ensures that the square bottom bags have consistent quality. This helps reduce the after - sales problems and improve the customer satisfaction.
Technical Support: Nanjing Longxiang Packaging Co., Ltd can provide technical support to the customers. They can offer advice on bag selection, usage, and storage, which helps the customers make better use of the products.

9. Xiamen Xingye Packaging Co., Ltd

Xiamen Xingye Packaging Co., Ltd is located in Xiamen, a beautiful coastal city in China. The company has a modern production facility and a professional sales team.

The company is actively involved in the international trade and has established business relationships with many countries and regions around the world.

Features in Square Bottom Bags:

Salt - resistant and Moisture - resistant: Due to its coastal location, Xiamen Xingye Packaging Co., Ltd has developed square bottom bags that are salt - resistant and moisture - resistant. These bags are suitable for products that need to be stored or transported in coastal areas or humid environments.
UV - protection: The company can provide square bottom bags with UV - protection function. This is important for products that are sensitive to sunlight, such as food, cosmetics, and pharmaceuticals.
Custom - sized Printing: They offer custom - sized printing on the square bottom bags. Whether it's a small - sized logo or a large - scale promotional image, they can print it accurately on the bags.

Advantages:

Coastal Location Advantage: The coastal location of the company provides it with easy access to international shipping ports. This makes it convenient for the company to export its products to overseas markets.
International Trade Experience: With their experience in international trade, the company is familiar with the different trade regulations and cultural differences of overseas customers. They can provide better service and support to international customers.
Marketing and Promotion: The company's professional sales team is good at marketing and promotion. They can effectively promote the square bottom bags in the domestic and international markets, which helps increase the company's market share.

10. Qingdao Huasheng Packaging Co., Ltd

Qingdao Huasheng Packaging Co., Ltd is a leading packaging company in Qingdao, a city known for its beer, beautiful beaches, and strong manufacturing industry. The company has a large production capacity and a wide range of product lines.

The company is committed to continuous improvement and innovation in the packaging field.

Features in Square Bottom Bags:

Thermal - insulation Function: Qingdao Huasheng Packaging Co., Ltd can produce square bottom bags with thermal - insulation function. These bags are suitable for packaging temperature - sensitive products, such as frozen foods and pharmaceuticals.
Anti - tear Design: Their square bottom bags are designed to be anti - tear. This ensures that the bags can withstand the stress during handling and transportation, reducing the risk of product leakage.
Multi - purpose Use: The company's square bottom bags can be used for a variety of purposes, such as packaging, storage, and display. They can be customized to meet the different needs of various industries.

Advantages:

Industry Leadership: The company's leading position in the packaging industry in Qingdao gives it an advantage in terms of resources, technology, and market influence.
Innovation and Improvement: Qingdao Huasheng Packaging Co., Ltd's commitment to innovation and improvement allows it to continuously introduce new and improved square bottom bag products to the market, which helps it stay competitive.
Comprehensive Product Portfolio: The company's wide range of product lines can meet the different needs of customers. This makes it a one - stop - solution provider for packaging needs.

Conclusion

The top 10 square bottom bag factories in China in 2025, as introduced above, each have their own unique features and advantages. From Changzhou Dibona Plastics Co., Ltd's customization and quality assurance to Qingdao Huasheng Packaging Co., Ltd's innovation and comprehensive product portfolio, these companies cover a wide range of aspects in the production of square bottom bags.

These factories not only meet the domestic market demand but also have a significant presence in the international market. They are driving the development of the square bottom bag industry in China through innovation, quality improvement, and sustainable development. With their continuous efforts, the square bottom bag industry in China is expected to achieve greater success in the future, providing high - quality packaging solutions for various industries around the world.