2025 Best 10 G4 Bag Filter Manufacturers in China

Introduction to G4 Bag Filter

G4 bag filters are a type of air filter commonly used in ventilation and air - conditioning systems. They are designed to capture large to medium - sized particles such as dust, pollen, and lint. With a filtration efficiency typically ranging from 90% to 99% for particles in the size range of 5 - 10 microns, G4 bag filters play a crucial role in maintaining good air quality in various environments, including commercial buildings, industrial facilities, and residential complexes. These filters are made of high - quality non - woven fabrics, which are pleated into a bag - like structure to increase the filtration area and improve the overall filtration performance.

10 Leading G4 Bag Filter Manufacturers in China

1. Shandong Xunmiao Purification Equipment Co., Ltd

Shandong Xunmiao Purification Equipment Co., Ltd is a well - established enterprise in the field of air purification equipment. The company is committed to research, development, production, and sales of various purification products, with G4 bag filters being one of its star products.

Features in G4 Bag Filter Production

• High - Quality Materials: The company sources the finest non - woven fabrics for its G4 bag filters. These materials are carefully selected for their high dust - holding capacity and excellent mechanical strength, ensuring long - term and stable filtration performance.
• Advanced Manufacturing Process: Shandong Xunmiao uses state - of - the - art production technology to manufacture G4 bag filters. The pleating process is precisely controlled to ensure uniform pleat spacing, which maximizes the filtration area and allows for efficient air flow.
• Customization Options: Recognizing that different customers have different requirements, the company offers a wide range of customization options for G4 bag filters. Customers can choose from different sizes, filtration efficiencies, and bag configurations to meet their specific needs.

Advantages of the Company

• Strong R & D Capability: The company has a professional R & D team that continuously explores new materials and manufacturing processes to improve the performance of G4 bag filters. This enables them to stay ahead of the competition and provide customers with the most advanced products.
• Strict Quality Control: Shandong Xunmiao has a comprehensive quality control system in place. Every G4 bag filter undergoes multiple quality inspections during the production process to ensure that it meets or exceeds industry standards.
• Excellent After - Sales Service: The company provides prompt and efficient after - sales service. They have a dedicated customer service team that can quickly respond to customer inquiries and solve any problems that may arise.

Website: https://www.sdxmjh.com/

2. Shanghai Yinuo Filtration Equipment Co., Ltd

Shanghai Yinuo Filtration Equipment Co., Ltd has been focusing on the production of filtration equipment for many years. It has a large - scale production base and a complete set of production lines.

Features in G4 Bag Filter Production

• Unique Filter Media Design: The company has developed a unique filter media for its G4 bag filters. This media has a special surface treatment that enhances its dust - capturing ability and reduces the resistance to air flow. As a result, the filters can operate more efficiently and consume less energy.
• Modular Design: Shanghai Yinuo's G4 bag filters are designed in a modular way. This makes them easy to install, replace, and maintain. Customers can quickly assemble or disassemble the filters according to their needs, which saves time and labor costs.
• High - Temperature Resistance: Some of the G4 bag filters produced by the company are designed to withstand high temperatures. This makes them suitable for use in industrial environments where high - temperature air needs to be filtered, such as in foundries and steel mills.

Advantages of the Company

• Rich Industry Experience: With years of experience in the filtration industry, Shanghai Yinuo has a deep understanding of customer needs and market trends. This allows them to develop products that are well - adapted to the market.
• Good Reputation: The company has built a good reputation in the industry for its high - quality products and reliable service. Many customers have chosen to cooperate with them for a long time.
• Environmental Awareness: Shanghai Yinuo is committed to environmental protection. Their G4 bag filters are designed to be energy - efficient and have a low environmental impact during the production and use process.

3. Guangzhou Jufeng Air Filter Co., Ltd

Guangzhou Jufeng Air Filter Co., Ltd is a professional manufacturer of air filters. It has a modern factory and a group of experienced technicians.

Features in G4 Bag Filter Production

• High - Precision Manufacturing: The company uses high - precision manufacturing equipment to produce G4 bag filters. This ensures that the dimensions of the filters are accurate and the quality is stable. The filters have a tight seal, which prevents air leakage and improves the overall filtration efficiency.
• Multi - layer Filtration Structure: Guangzhou Jufeng's G4 bag filters adopt a multi - layer filtration structure. Each layer has a different function, such as pre - filtration, main filtration, and post - filtration. This multi - layer design can effectively capture particles of different sizes and improve the filtration quality.
• Antibacterial Function: Some of the G4 bag filters produced by the company are treated with antibacterial agents. This can prevent the growth of bacteria and mold on the filter surface, which is especially important in environments where air quality is critical, such as hospitals and food processing plants.

Advantages of the Company

• Cost - Effective Products: The company offers cost - effective G4 bag filters. They have optimized the production process to reduce costs without sacrificing product quality. This makes their products very competitive in the market.
• Fast Delivery: Guangzhou Jufeng has a well - organized production and logistics system. They can ensure fast delivery of products to meet the urgent needs of customers.
• Technical Support: The company provides technical support to customers. Their technicians can offer professional advice on filter selection, installation, and maintenance.

4. Tianjin Zhonghuan Air Filter Co., Ltd

Tianjin Zhonghuan Air Filter Co., Ltd is a leading manufacturer in the air filter industry. It has a long - standing history and a strong technical background.

Features in G4 Bag Filter Production

• Innovative Filter Design: The company has an innovative design concept for its G4 bag filters. They have developed a new type of bag structure that can increase the filtration area without increasing the overall size of the filter. This design allows for a higher dust - holding capacity and a longer service life.
• High - Efficiency Pleating Technology: Tianjin Zhonghuan uses high - efficiency pleating technology to produce G4 bag filters. The pleats are evenly distributed and have a large depth, which can increase the contact area between the air and the filter media and improve the filtration efficiency.
• Compatibility with Different Systems: The G4 bag filters produced by the company are designed to be compatible with a wide range of ventilation and air - conditioning systems. They can be easily installed in existing systems without the need for major modifications.

Advantages of the Company

• Strong Brand Influence: Tianjin Zhonghuan has a strong brand influence in the industry. Their products are well - known for their high quality and reliability.
• Continuous Innovation: The company invests a lot of resources in research and development. They are constantly exploring new technologies and materials to improve the performance of their G4 bag filters.
• Comprehensive Product Range: In addition to G4 bag filters, the company also offers a wide range of other air filters, which allows customers to choose a complete filtration solution from a single supplier.

5. Beijing Huamei Filtration Technology Co., Ltd

Beijing Huamei Filtration Technology Co., Ltd is a high - tech enterprise focusing on filtration technology. It has a number of patents and advanced production technology.

Features in G4 Bag Filter Production

• Nanotechnology Application: The company applies nanotechnology to the production of G4 bag filters. The nanoscale particles on the filter media can effectively capture ultrafine particles, which improves the filtration efficiency for small - sized particles.
• Intelligent Monitoring Function: Some of the G4 bag filters produced by Beijing Huamei are equipped with an intelligent monitoring system. This system can monitor the pressure drop and filtration efficiency of the filter in real - time and send alerts when the filter needs to be replaced.
• Low - Noise Operation: The G4 bag filters are designed to operate with low noise. This is achieved through the optimization of the filter structure and the selection of low - noise materials, which is very important in environments where noise is a concern, such as offices and residential areas.

Advantages of the Company

• High - Tech R & D: The company's high - tech R & D capabilities enable it to develop cutting - edge products. Their use of nanotechnology and intelligent monitoring systems is a testament to their technological leadership.
• Good Technical Service: Beijing Huamei provides good technical service to customers. They can offer on - site installation guidance and technical training to ensure that customers can use the products correctly.
• Market - Oriented Strategy: The company closely follows market trends and customer needs. They can quickly adjust their product portfolio and production strategy to meet the changing market demands.

6. Jiangsu Xinke Air Filter Co., Ltd

Jiangsu Xinke Air Filter Co., Ltd is a well - known manufacturer of air filters in the Jiangsu region. It has a large production capacity and a wide sales network.

Features in G4 Bag Filter Production

• Large - Scale Production: The company has a large - scale production base, which allows it to produce a large number of G4 bag filters in a short time. This is very beneficial for customers who have large - volume orders.
• Quality - Oriented Production Process: Jiangsu Xinke adheres to a quality - oriented production process. From raw material procurement to finished product inspection, every step is strictly controlled to ensure the high quality of the G4 bag filters.
• Flexible Production Arrangement: The company can arrange production flexibly according to customer orders. Whether it is a small - batch order or a large - scale order, they can meet the delivery requirements on time.

Advantages of the Company

• Cost - Advantage: Due to its large - scale production and efficient management, Jiangsu Xinke has a cost - advantage in the production of G4 bag filters. This allows them to offer competitive prices to customers.
• Good Logistics Support: The company has a good logistics support system. They can ensure the safe and timely delivery of products to customers all over the country.
• Customer - Centered Service: Jiangsu Xinke takes customer satisfaction as its top priority. They provide personalized service to customers and try their best to meet the special needs of each customer.

7. Hubei Hongda Air Filter Co., Ltd

Hubei Hongda Air Filter Co., Ltd is a professional air filter manufacturer with a long - term focus on product quality and innovation.

Features in G4 Bag Filter Production

• New Material Application: The company is constantly exploring and applying new materials in the production of G4 bag filters. These new materials can improve the filtration performance, durability, and environmental friendliness of the filters.
• Ergonomic Design: Hubei Hongda's G4 bag filters are designed with ergonomics in mind. They are easy to handle and install, which reduces the labor intensity of the installation and maintenance personnel.
• High - Performance Sealing Materials: The company uses high - performance sealing materials for its G4 bag filters. These sealing materials can ensure a good seal between the filter and the filter frame, which prevents air leakage and improves the filtration efficiency.

Advantages of the Company

• Innovation - Driven: Hubei Hongda is an innovation - driven company. Their continuous exploration of new materials and design concepts allows them to develop high - performance G4 bag filters.
• Skilled Workforce: The company has a group of skilled workers and technicians. Their rich experience and high - level skills ensure the high - quality production of the filters.
• Good Industry Communication: Hubei Hongda actively participates in industry communication and cooperation. This allows them to keep up with the latest industry trends and learn from other advanced manufacturers.

8. Fujian Longsheng Air Filter Co., Ltd

Fujian Longsheng Air Filter Co., Ltd is a well - established manufacturer in the air filter industry. It has a strong brand image and a stable customer base.

Features in G4 Bag Filter Production

• Stable Product Quality: The company has a strict quality control system to ensure the stable quality of its G4 bag filters. The filters have a consistent performance in terms of filtration efficiency, dust - holding capacity, and service life.
• Energy - Saving Design: Fujian Longsheng's G4 bag filters are designed to be energy - saving. They have a low pressure drop, which reduces the energy consumption of the ventilation and air - conditioning systems.
• Aesthetic Appearance: The company pays attention to the aesthetic appearance of the G4 bag filters. The filters have a neat and beautiful appearance, which is suitable for use in environments where appearance is also important, such as commercial buildings and exhibition halls.

Advantages of the Company

• Brand Reputation: Fujian Longsheng has a good brand reputation in the industry. Customers trust their products because of the long - term stable quality and reliable service.
• Market Penetration: The company has a wide market penetration. Their products are sold not only in the domestic market but also in some overseas markets.
• After - Sales Service Network: Fujian Longsheng has established a complete after - sales service network. They can provide timely and effective after - sales service to customers, which enhances customer satisfaction.

9. Sichuan Jiahua Air Filter Co., Ltd

Sichuan Jiahua Air Filter Co., Ltd is a professional manufacturer of air filters in the Sichuan region. It has a unique geographical advantage and a strong technical force.

Features in G4 Bag Filter Production

• Adaptability to Harsh Environments: The company's G4 bag filters are designed to be adaptable to harsh environments. They can withstand high humidity, high temperature, and strong winds, which makes them suitable for use in various industrial and outdoor environments.
• High - Strength Structure: Sichuan Jiahua's G4 bag filters have a high - strength structure. The filter bags are reinforced to prevent damage during installation and use, which ensures the long - term stability of the filtration performance.
• Easy - to - Clean Design: The filters are designed to be easy to clean. Customers can clean the filters with simple methods, which reduces the maintenance cost and time.

Advantages of the Company

• Geographical Advantage: Sichuan Jiahua benefits from its geographical location. It has easy access to raw materials and a large market in the western region of China.
• Technical Innovation: The company is committed to technical innovation. They are constantly improving the performance of their G4 bag filters through research and development.
• Local Support: The company has strong local support. It can cooperate with local enterprises and research institutions to promote the development of the air filter industry in the region.

10. Hebei Tianyu Air Filter Co., Ltd

Hebei Tianyu Air Filter Co., Ltd is a growing air filter manufacturer. It has a young and dynamic team.

Features in G4 Bag Filter Production

• Rapid Product Iteration: The company has a rapid product iteration ability. They can quickly update their G4 bag filter products according to market feedback and technological progress.
• Cost - Effective R & D: Hebei Tianyu conducts cost - effective R & D. They can develop new products with relatively low investment, which allows them to offer new products at a reasonable price.
• Good User Experience Design: The company focuses on the user experience design of its G4 bag filters. The filters are designed to be user - friendly, which makes it easy for customers to use and maintain them.

Advantages of the Company

• Dynamic Team: The young and dynamic team of Hebei Tianyu brings new ideas and energy to the company. They are full of enthusiasm and innovation spirit.
• Growth Potential: The company has great growth potential. With its continuous efforts in R & D and market expansion, it is expected to become a leading enterprise in the air filter industry in the future.
• Flexible Business Model: Hebei Tianyu has a flexible business model. They can cooperate with customers in different ways, such as OEM and ODM, to meet the diverse needs of customers.

Summary

The above 10 G4 bag filter manufacturers in China all have their own characteristics and advantages. Shandong Xunmiao Purification Equipment Co., Ltd stands out with its strong R & D capability and strict quality control. Shanghai Yinuo Filtration Equipment Co., Ltd is known for its unique filter media design and environmental awareness. Guangzhou Jufeng Air Filter Co., Ltd offers high - precision manufacturing and multi - layer filtration structure. Tianjin Zhonghuan Air Filter Co., Ltd has an innovative filter design and a comprehensive product range. Beijing Huamei Filtration Technology Co., Ltd applies high - tech such as nanotechnology and intelligent monitoring. Jiangsu Xinke Air Filter Co., Ltd has a large - scale production capacity and cost - advantage. Hubei Hongda Air Filter Co., Ltd focuses on new material application and ergonomic design. Fujian Longsheng Air Filter Co., Ltd has a good brand reputation and after - sales service network. Sichuan Jiahua Air Filter Co., Ltd is adaptable to harsh environments and has a high - strength structure. Hebei Tianyu Air Filter Co., Ltd has a dynamic team and rapid product iteration ability. These manufacturers together contribute to the development of the G4 bag filter industry in China, providing high - quality products and services to customers at home and abroad.