Top 10 threaded flange Suppliers in China

Nov 06, 2025|

Introduction to Threaded Flange

A threaded flange, also known as a screwed flange, is a type of flange that has internal threads. It is designed to be screwed onto a pipe with external threads, eliminating the need for welding in some applications. Threaded flanges are widely used in low - pressure and small - diameter piping systems, such as in water supply, gas supply, and some industrial piping systems where easy installation and disassembly are required. They offer advantages like quick installation, no need for special welding equipment, and the ability to be reused in many cases. Now, let's explore the top 10 threaded flange suppliers in China.


1. Dingxiang County Yixinyuan Flange Processing Co., Ltd.

Dingxiang County Yixinyuan Flange Processing Co., Ltd. is a well - established company in the flange manufacturing industry. Located in Dingxiang County, which is known as the "Hometown of Flanges in China", the company benefits from the rich industrial resources and a long - standing tradition of flange production in the area.


The company has a modern production base equipped with advanced manufacturing equipment. Their production process adheres to strict quality control standards. From the selection of raw materials to the final inspection of finished products, every step is carefully monitored. They source high - quality steel materials from reliable suppliers, ensuring the durability and performance of their threaded flanges.


In terms of product range, Dingxiang County Yixinyuan Flange Processing Co., Ltd. offers a wide variety of threaded flanges. They can produce threaded flanges in different sizes, pressure ratings, and materials according to customer requirements. Whether it is a small - diameter flange for a domestic water pipe or a large - scale flange for an industrial pipeline, they have the ability to meet the needs.


The company also has a professional R & D team. They are constantly exploring new technologies and materials to improve the quality and performance of their products. For example, they have developed some special - coated threaded flanges that can resist corrosion in harsh environments, which is very popular among customers in the chemical and marine industries.


Features in Threaded Flange:


  • Customization: Can produce threaded flanges with various specifications and materials as per customer drawings and requirements.
  • Quality Assurance: Strict quality control throughout the production process, with products meeting international standards such as ASTM, DIN, and JIS.
  • Corrosion Resistance: Some products are treated with special coatings to enhance corrosion resistance.


Advantages:


  • Location Advantage: Being in Dingxiang County, it has easy access to raw materials and a large pool of skilled workers.
  • R & D Capability: The professional R & D team enables continuous product innovation.
  • Customer Service: They provide excellent pre - sales and after - sales services, responding quickly to customer inquiries and solving problems in a timely manner.


Website: https://www.yxyflanges.com/


2. Hebei Shengtian Pipeline Group Co., Ltd.

Hebei Shengtian Pipeline Group Co., Ltd. is a large - scale enterprise integrating R & D, production, and sales of pipeline products, including threaded flanges. With a history of several decades, the company has accumulated rich experience in the industry.


The company has a large - scale production plant covering an area of tens of thousands of square meters. It is equipped with a full set of advanced production equipment, such as forging machines, machining centers, and heat - treatment furnaces. This allows them to produce threaded flanges with high precision and quality.


Hebei Shengtian Pipeline Group Co., Ltd. has a strict quality management system. They have obtained multiple international quality certifications, such as ISO 9001 quality management system certification. All their threaded flanges are inspected through multiple procedures, including non - destructive testing, to ensure that they meet the highest quality standards.


In terms of market share, the company's products are not only popular in the domestic market but also exported to many countries and regions around the world, such as Europe, America, and the Middle East. Their good reputation in the international market is due to their high - quality products and reliable after - sales service.


Features in Threaded Flange:


  • High - Precision Manufacturing: Using advanced machining equipment to ensure the dimensional accuracy of threaded flanges.
  • Wide Material Selection: They can produce threaded flanges in different materials, such as carbon steel, stainless steel, and alloy steel, to meet the needs of different industries.
  • International Standards Compliance: Products comply with various international standards, facilitating their export to different countries.


Advantages:


  • Large - Scale Production: Capable of mass - producing threaded flanges to meet large - scale project requirements.
  • International Market Penetration: With a wide international customer base, they have a better understanding of international market demands.
  • Quality Reputation: Their long - standing reputation for high - quality products gives customers confidence in their purchases.


3. Jiangsu Hongsheng Flange Co., Ltd.

Jiangsu Hongsheng Flange Co., Ltd. is a professional flange manufacturer focusing on the production of threaded flanges. The company is located in Jiangsu Province, which is an economically developed region in China with convenient transportation and a strong industrial foundation.


The company has a team of experienced engineers and technicians. They are proficient in flange design and manufacturing technology. Based on their expertise, they can provide customers with customized solutions for threaded flanges. For example, for some special - shaped threaded flanges required by customers, they can design and produce them through advanced CAD/CAM technology.


Jiangsu Hongsheng Flange Co., Ltd. pays great attention to environmental protection in the production process. They have introduced a series of energy - saving and environmental - friendly production equipment and processes. This not only reduces the environmental impact but also improves the production efficiency.


In addition, the company has a complete after - sales service system. They provide technical support and maintenance services for customers throughout the product life cycle. If customers encounter any problems during the use of threaded flanges, the company's after - sales team will respond promptly and provide solutions.


Features in Threaded Flange:


  • Customized Design: Can design and produce threaded flanges according to customer - specific requirements, including special shapes and sizes.
  • Environmental - Friendly Production: Adopting energy - saving and environmental - friendly production processes.
  • After - Sales Support: Comprehensive after - sales service to ensure customer satisfaction.


Advantages:


  • Technical Expertise: The experienced engineering team provides strong technical support for product development.
  • Location Advantage: Being in Jiangsu Province, it has access to advanced technologies and a good business environment.
  • Customer - Centric Service: Focusing on customer needs and providing high - quality service from design to after - sales.


4. Shanxi Taigang Stainless Steel Co., Ltd. (Flange Division)

As a subsidiary of the well - known Shanxi Taigang Stainless Steel Co., Ltd., the flange division specializes in the production of stainless - steel threaded flanges. The parent company is one of the largest stainless - steel producers in China, which gives the flange division a strong advantage in terms of raw material supply.


The company uses high - quality stainless - steel materials produced by its parent company. These materials have excellent corrosion resistance, high strength, and good formability. With advanced production technology, they can produce stainless - steel threaded flanges with smooth surfaces and accurate dimensions.


Shanxi Taigang Stainless Steel Co., Ltd. (Flange Division) has a strict quality control system. They conduct multi - level inspections on raw materials, semi - finished products, and finished products. For example, they use ultrasonic testing and magnetic particle testing to detect internal and surface defects of threaded flanges.


The company also has a strong R & D ability. They are constantly researching new stainless - steel materials and manufacturing processes to improve the performance of their threaded flanges. For instance, they have developed a new type of stainless - steel threaded flange with better high - temperature resistance, which is suitable for some high - temperature industrial applications.


Features in Threaded Flange:


  • High - Quality Stainless - Steel Materials: Using top - grade stainless - steel materials from the parent company.
  • Precision Manufacturing: Ensuring accurate dimensions and smooth surfaces of threaded flanges through advanced technology.
  • Advanced Testing: Conducting comprehensive non - destructive testing to guarantee product quality.


Advantages:


  • Raw Material Advantage: Stable supply of high - quality stainless - steel materials from the parent company.
  • R & D Strength: The ability to develop new products and improve existing ones.
  • Quality Reputation: The reputation of the parent company in the stainless - steel industry adds credibility to their flange products.


5. Zhejiang Xingang Flange Co., Ltd.

Zhejiang Xingang Flange Co., Ltd. is a leading flange manufacturer in Zhejiang Province. The company has a long - term focus on the production of threaded flanges and has established a good reputation in the market.


They have a modern production workshop with advanced production equipment. The production process is highly automated, which improves production efficiency and reduces labor costs. At the same time, the automation also ensures the consistency and stability of product quality.


Zhejiang Xingang Flange Co., Ltd. has a wide range of product models. They can produce threaded flanges in different pressure levels, from low - pressure to high - pressure applications. Their products are suitable for various industries, such as petrochemical, power generation, and water treatment.


The company also attaches great importance to brand building. They participate in various international and domestic industry exhibitions to promote their products. Through these activities, they have expanded their market influence and established long - term cooperative relationships with many customers.


Features in Threaded Flange:


  • Automated Production: High - efficiency production through automated equipment, ensuring product consistency.
  • Diverse Product Range: Offering threaded flanges for different pressure levels and industries.
  • Brand Promotion: Actively promoting the brand through industry exhibitions and other means.


Advantages:


  • Production Efficiency: The automated production process enables them to quickly meet customer orders.
  • Market Diversification: Suitable for multiple industries, reducing the risk of market fluctuations.
  • Brand Recognition: The well - promoted brand helps to attract more customers.


6. Shandong Zhongtian Flange Co., Ltd.

Shandong Zhongtian Flange Co., Ltd. is a professional manufacturer of threaded flanges in Shandong Province. The company has a strong production capacity and a complete product line.


They have a large number of professional production workers and technicians. The workers are highly skilled and experienced in flange manufacturing. The technicians are responsible for product design, process improvement, and quality control.


Shandong Zhongtian Flange Co., Ltd. uses advanced heat - treatment technology in the production of threaded flanges. This heat - treatment process can improve the mechanical properties of the flanges, such as hardness, toughness, and strength. As a result, their threaded flanges can withstand higher pressures and more severe working conditions.


The company also has a good logistics and distribution system. They can quickly deliver products to customers at home and abroad. This efficient logistics service ensures that customers can receive their orders in a timely manner and reduces the overall project cycle.


Features in Threaded Flange:


  • Skilled Workforce: Experienced workers and technicians ensure high - quality production.
  • Advanced Heat - Treatment: Improving the mechanical properties of threaded flanges through heat - treatment.
  • Efficient Logistics: Quick delivery of products to customers.


Advantages:


  • Production Quality: The skilled workforce and advanced technology guarantee the high quality of products.
  • Product Performance: The heat - treated threaded flanges have better performance in harsh environments.
  • Logistics Advantage: The efficient logistics system improves customer satisfaction.


7. Tianjin Pipe (Group) Corporation (Flange Branch)

Tianjin Pipe (Group) Corporation is a large - scale enterprise in the steel and pipe industry, and its flange branch is specialized in the production of threaded flanges. The company has a strong technical background and a large - scale production base.


They have a complete set of production equipment for flange manufacturing, including forging, machining, and surface - treatment equipment. The production process is strictly in accordance with international standards. For example, they use advanced CNC machining centers to ensure the accuracy of thread processing.


Tianjin Pipe (Group) Corporation (Flange Branch) has a wide range of product specifications. They can produce threaded flanges with different diameters, wall thicknesses, and connection types. Their products are widely used in the oil and gas, chemical, and shipbuilding industries.


The company also has a strong quality control system. They have a professional quality inspection team that conducts inspections at every stage of production. From raw material inspection to final product testing, they ensure that all products meet the highest quality requirements.


Features in Threaded Flange:


  • Complete Equipment: A full set of advanced production equipment for high - quality manufacturing.
  • Diverse Specifications: Offering a wide range of threaded - flange specifications to meet different industry needs.
  • Strict Quality Control: Ensuring product quality through comprehensive inspections.


Advantages:


  • Technical Strength: The strong technical background of the parent company provides support for product development.
  • Industry Application: Suitable for multiple key industries, indicating the reliability of products.
  • Quality Assurance: The strict quality control system gives customers confidence in product quality.


8. Guangdong Xinrong Flange Co., Ltd.

Guangdong Xinrong Flange Co., Ltd. is a flange manufacturer located in the economically developed Guangdong Province. The company has a modern management concept and a flexible business model.


They focus on product innovation. The R & D department is constantly exploring new materials and technologies for threaded flanges. For example, they have developed a new type of composite - material threaded flange that combines the advantages of different materials, such as high strength and corrosion resistance.


Guangdong Xinrong Flange Co., Ltd. has a good customer - service system. They provide personalized service to each customer, from product consultation to after - sales support. They also have a fast response mechanism to solve customer problems in a timely manner.


In addition, the company has a strong marketing team. They actively promote their products both at home and abroad through various channels, such as online platforms and industry associations. This has helped them expand their market share and improve brand awareness.


Features in Threaded Flange:


  • Product Innovation: Developing new - type threaded flanges with innovative materials and technologies.
  • Customer - Oriented Service: Providing personalized and fast - response customer service.
  • Strong Marketing: Actively promoting products through multiple channels.


Advantages:


  • Innovation Ability: The ability to develop new products gives them a competitive edge in the market.
  • Customer Satisfaction: The high - quality customer service enhances customer loyalty.
  • Market Expansion: The effective marketing strategy helps to increase market share.


9. Fujian Longxi Flange Co., Ltd.

Fujian Longxi Flange Co., Ltd. is a well - known flange manufacturer in Fujian Province. The company has a long - standing history in the flange industry and has a good reputation among customers.


They have a stable supply chain for raw materials. They have established long - term cooperative relationships with many raw - material suppliers, ensuring the quality and stability of raw - material supply. This is very important for the production of high - quality threaded flanges.


Fujian Longxi Flange Co., Ltd. has a set of advanced production processes. They use precision forging and machining technology to produce threaded flanges with high - density structures and accurate dimensions. Their products have good mechanical properties and can be used in various engineering projects.


The company also pays attention to talent cultivation. They have a training system for employees to continuously improve their skills and knowledge. This helps to improve the overall production efficiency and product quality of the company.


Features in Threaded Flange:


  • Stable Raw - Material Supply: Ensuring product quality through a reliable raw - material supply chain.
  • Advanced Production Process: Using precision forging and machining for high - quality production.
  • Talent Development: Cultivating a high - quality workforce through employee training.


Advantages:


  • Supply - Chain Stability: Reducing production risks through a stable raw - material supply.
  • Product Quality: The advanced production process guarantees the high quality of threaded flanges.
  • Human - Resource Advantage: The well - trained workforce provides strong support for the company's development.


10. Anhui Huayang Flange Co., Ltd.

Anhui Huayang Flange Co., Ltd. is a professional manufacturer of threaded flanges in Anhui Province. The company has a customer - centric business philosophy and a strong sense of social responsibility.


They have a research and development center dedicated to improving the performance of threaded flanges. The R & D team conducts in - depth research on materials, structures, and manufacturing processes. For example, they have studied the use of new coatings to improve the corrosion resistance of threaded flanges in different environments.


Anhui Huayang Flange Co., Ltd. has a strict environmental - protection policy in the production process. They comply with national environmental - protection regulations and take measures to reduce pollution and energy consumption. This not only benefits the environment but also enhances the company's social image.


The company also has a comprehensive after - sales service system. They provide free technical training for customers and ensure that customers can use their products correctly. In case of product problems, they offer quick replacement and repair services.


Features in Threaded Flange:


  • R & D - Driven: Continuously improving product performance through R & D efforts.
  • Environmental - Friendly Production: Complying with environmental - protection regulations and reducing pollution.
  • Comprehensive After - Sales: Offering free training and quick - response after - sales services.


Advantages:


  • Innovation Potential: The R & D center provides the potential for continuous product improvement.
  • Social Responsibility: The environmental - friendly production and good after - sales service enhance the company's social image.
  • Customer Support: The comprehensive after - sales service ensures customer satisfaction.


Conclusion

China's threaded flange suppliers offer a wide range of products with high - quality and diverse features. Each of the top 10 suppliers introduced above has its own unique advantages, whether it is in terms of production technology, product quality, customer service, or market influence. Dingxiang County Yixinyuan Flange Processing Co., Ltd. stands out with its customization ability and location advantage. Hebei Shengtian Pipeline Group Co., Ltd. is known for its large - scale production and international market penetration. Jiangsu Hongsheng Flange Co., Ltd. focuses on customized design and environmental - friendly production.


These suppliers play an important role in the global threaded - flange market. They not only meet the domestic demand but also export a large number of products to the international market. With continuous innovation and improvement in production technology, they are expected to further enhance their competitiveness and contribute more to the development of the flange industry. Whether for small - scale projects or large - scale industrial applications, customers can find suitable threaded - flange suppliers among these top 10 companies in China.


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