![](\"https:\/\/www.cncjflange.com\/uploads\/43420\/small\/bspt-threaded-flange17833.jpg\")
<\/p>\n
Now, let’s take a look at the 10 leading PN flanges suppliers in China:<\/p>\n
1. Zhejiang Chengjiu Pipeline Co., Ltd.<\/a><\/h3>\nZhejiang Chengjiu Pipeline Co., Ltd. is a professional enterprise specializing in the production and supply of flanges, pipes, and pipe fittings. With years of experience in the industry, they have established a solid reputation for high – quality products and reliable service. Their production facilities are equipped with advanced machinery and technology, enabling them to produce a wide range of PN flanges that meet international standards.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Wide range of sizes: They offer PN flanges in numerous sizes from small to large diameters, catering to different project requirements.<\/li>\n
- Diverse materials: The company provides PN flanges made of carbon steel, stainless steel, and alloy steel, ensuring customers can choose the most suitable material according to their application environment.<\/li>\n
- High precision: Their manufacturing process ensures high – precision dimensions of PN flanges, which guarantees a perfect fit in piping systems.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Quality control: They have a strict quality control system in place. Every batch of PN flanges undergoes multiple inspections to ensure compliance with quality standards.<\/li>\n
- Customization: Zhejiang Chengjiu Pipeline Co., Ltd. can customize PN flanges according to customers’ specific drawings and requirements.<\/li>\n
- Competitive price: With efficient production processes and a large – scale production capacity, they can offer competitive prices in the market.<\/li>\n<\/ul>\n
Website: https:\/\/www.cncjflange.com\/<\/a><\/p>\n2. Hebei Haihao Group<\/h3>\n
Hebei Haihao Group is a well – known large – scale enterprise in the pipeline manufacturing industry. It has a long – standing history and a large production base. The group has a complete industrial chain from raw material procurement to finished product production.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Rich product variety: Besides common PN flanges, they also produce special – shaped PN flanges to meet the needs of complex engineering projects.<\/li>\n
- Good surface finish: The PN flanges produced by Hebei Haihao Group have a smooth surface finish, which helps in reducing friction and corrosion in the pipeline.<\/li>\n
- Excellent mechanical properties: Their flanges have high strength and good toughness, ensuring long – term and stable operation in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Industry experience: With decades of experience, they have accumulated profound knowledge in the production and application of PN flanges.<\/li>\n
- After – sales service: The company provides comprehensive after – sales service, quickly responding to customers’ questions and solving problems.<\/li>\n
- Strong R & D capabilities: They continuously invest in research and development to improve the performance of PN flanges and develop new products.<\/li>\n<\/ul>\n
3. Tianjin Pipejoint Industry Co., Ltd.<\/h3>\n
Tianjin Pipejoint Industry Co., Ltd. is located in the economically developed region of Tianjin. It is committed to providing high – quality pipe joints and flanges. The company has advanced production technology and a professional R & D team.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- High – tech manufacturing: They use advanced numerical control machining technology to produce PN flanges, ensuring high – precision and efficient production.<\/li>\n
- Corrosion – resistant coating: Some of their PN flanges are treated with corrosion – resistant coatings, which can extend the service life in harsh environments.<\/li>\n
- Standardized production: All products are manufactured in strict accordance with national and international standards, ensuring product quality and interchangeability.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Location advantage: Being in Tianjin, it has convenient transportation conditions, which is beneficial for product distribution.<\/li>\n
- A large inventory: The company maintains a large inventory of PN flanges, enabling quick delivery to customers.<\/li>\n
- Brand influence: It has a high – profile brand in the industry, which is trusted by many domestic and foreign customers.<\/li>\n<\/ul>\n
4. Jiangsu Shentong Heavy Industry Co., Ltd.<\/h3>\n
Jiangsu Shentong Heavy Industry Co., Ltd. is a large – scale heavy – industry enterprise. It has strong production capabilities and advanced manufacturing equipment. The company is engaged in various industries including power generation, petrochemical, and shipbuilding.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Large – scale production: They can produce PN flanges in large quantities, meeting the needs of large – scale projects.<\/li>\n
- High – strength materials: The company uses high – strength steel materials for PN flanges, which can withstand high pressure and harsh working conditions.<\/li>\n
- Good sealing performance: Their PN flanges are designed with excellent sealing structures, effectively preventing leakage in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Integrated production: They have an integrated production process from steelmaking to finished product manufacturing, which can effectively control costs and quality.<\/li>\n
- Professional engineering support: They provide professional engineering support services, helping customers to select the most appropriate PN flanges for their projects.<\/li>\n
- Market reputation: With a good market reputation, they have won a large number of long – term customers.<\/li>\n<\/ul>\n
5. Guangdong Mingzhu Group Co., Ltd. (Piping – related division)<\/h3>\n
The piping – related division of Guangdong Mingzhu Group Co., Ltd. focuses on the production and sales of piping products. They have a modern production base and a scientific management system.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Quality raw materials: They source high – quality raw materials from reliable suppliers, ensuring the foundation of product quality.<\/li>\n
- Innovative design: The company’s R & D team constantly innovates the design of PN flanges to improve their performance and usability.<\/li>\n
- Easy installation: Their PN flanges are designed for easy installation, which can save installation time and labor costs.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Local supply advantage: They have a good relationship with local suppliers and customers, which can provide more efficient supply and service.<\/li>\n
- Product diversification: In addition to PN flanges, they also offer a series of related piping products, providing one – stop shopping for customers.<\/li>\n
- Environmental protection concept: They pay attention to environmental protection in the production process, and their products meet relevant environmental protection standards.<\/li>\n<\/ul>\n
6. Shandong Shengzhou Pipeline Co., Ltd.<\/h3>\n
Shandong Shengzhou Pipeline Co., Ltd. is a professional pipeline product manufacturer. It has a strong technical force and a complete quality control system.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Precise heat treatment: Their PN flanges undergo precise heat treatment processes, which can optimize the mechanical properties of the flanges.<\/li>\n
- Good weldability: The flanges have good weldability, which is convenient for on – site installation and connection.<\/li>\n
- Stable product quality: Through strict quality control, the company ensures the stability of PN flange quality in each batch.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Cost – effective products: By optimizing production processes and cost management, they can offer cost – effective PN flanges.<\/li>\n
- Technical support: They provide technical support throughout the product life cycle, including pre – sales consultation, on – site installation guidance, and after – sales service.<\/li>\n
- Safety – oriented: Their products are designed and manufactured with safety in mind, ensuring the reliable operation of the pipeline system.<\/li>\n<\/ul>\n
7. Shanxi Puxin Flange Co., Ltd.<\/h3>\n
Shanxi Puxin Flange Co., Ltd. is a leading flange manufacturer in Shanxi. It has a long – term focus on the production of flanges and has in – depth expertise in this field.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Customized machining: They are good at customized machining of PN flanges, and can produce flanges with special requirements according to customers’ drawings.<\/li>\n
- Anti – aging treatment: Some of their PN flanges are treated with anti – aging agents, which can maintain good performance in long – term use.<\/li>\n
- Good dimensional stability: The flanges have good dimensional stability, which can ensure the accurate connection in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Cultural heritage: Located in Shanxi, an area with a profound industrial culture, the company inherits traditional manufacturing techniques and combines them with modern technology.<\/li>\n
- Low – cost raw materials: Shanxi has rich iron and steel resources, which enables the company to obtain raw materials at relatively low costs.<\/li>\n
- Service – first concept: They always put the needs of customers first and provide high – quality service at every stage.<\/li>\n<\/ul>\n
8. Fujian Gangyuan Steel Pipe Co., Ltd. (Flange – related production)<\/h3>\n
The flange – related production department of Fujian Gangyuan Steel Pipe Co., Ltd. has advanced production equipment and a high – quality workforce. They are committed to providing high – performance flanges.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Light – weight design: Some of their PN flanges are designed with a light – weight structure, which can reduce the overall weight of the pipeline system without sacrificing strength.<\/li>\n
- High – temperature resistance: Their flanges can withstand relatively high temperatures, suitable for high – temperature industrial applications.<\/li>\n
- High rust – prevention ability: The company uses advanced rust – prevention processes to ensure that PN flanges have a long service life in humid environments.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Cost – saving solutions: They can provide cost – saving solutions for customers by optimizing product design and production processes.<\/li>\n
- International cooperation: They have established cooperation relationships with some international companies, which helps them introduce advanced foreign technology and management experience.<\/li>\n
- Brand awareness building: They actively build brand awareness through various channels, enhancing the market competitiveness of their products.<\/li>\n<\/ul>\n
9. Liaoning Haina Steel Pipe Co., Ltd.<\/h3>\n
Liaoning Haina Steel Pipe Co., Ltd. is a comprehensive enterprise in the steel pipe and flange industry. It has a large – scale production line and a wide range of products.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- High – impact resistance: Their PN flanges can withstand high – impact forces, suitable for applications in areas with high – intensity vibrations.<\/li>\n
- Good chemical stability: The flanges have good chemical stability, which can resist corrosion from various chemicals in the pipeline.<\/li>\n
- Modular design: They adopt a modular design for PN flanges, which is convenient for installation and replacement.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n\n- Regional resource advantages: Liaoning has rich steel resources and a complete industrial chain, which provides favorable conditions for the company’s production.<\/li>\n
- Quality assurance system: The company has a strict quality assurance system, ensuring that all products meet high – quality standards.<\/li>\n
- Market expansion ability: They have a strong ability to expand the market and have a wide customer base at home and abroad.<\/li>\n<\/ul>\n
10. Anhui Hongyuan Pipeline Fittings Co., Ltd.<\/h3>\n
Anhui Hongyuan Pipeline Fittings Co., Ltd. is a professional manufacturer of pipeline fittings, including PN flanges. It has a professional R & D and production team.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n\n- Energy – saving design: Their PN flanges are designed with energy – saving concepts, reducing energy consumption in the pipeline system.<\/li>\n
- High – precision measurement: The company uses high – precision measuring equipment to ensure the accuracy of flange dimensions.<\/li>\n
- Good shock – absorption performance: The flanges have good shock – absorption performance, which can protect the pipeline system from damage caused by vibrations.<\/li>\n<\/ul>\n
![](\"https:\/\/www.cncjflange.com\/uploads\/43420\/small\/weld-neck-pipe-flanged95c5.jpg\")
<\/p>\n
Advantages<\/strong>:<\/p>\n\n- Cost – efficient operation: Through efficient production and management, they can reduce costs and offer more cost – effective products.<\/li>\n
- Technology innovation: They keep investing in technology innovation to improve the performance and quality of PN flanges.<\/li>\n
- Customer – centered service: They focus on customer satisfaction and provide personalized services to meet different customer needs.<\/li>\n<\/ul>\n
- \n
- Wide range of sizes: They offer PN flanges in numerous sizes from small to large diameters, catering to different project requirements.<\/li>\n
- Diverse materials: The company provides PN flanges made of carbon steel, stainless steel, and alloy steel, ensuring customers can choose the most suitable material according to their application environment.<\/li>\n
- High precision: Their manufacturing process ensures high – precision dimensions of PN flanges, which guarantees a perfect fit in piping systems.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Quality control: They have a strict quality control system in place. Every batch of PN flanges undergoes multiple inspections to ensure compliance with quality standards.<\/li>\n
- Customization: Zhejiang Chengjiu Pipeline Co., Ltd. can customize PN flanges according to customers’ specific drawings and requirements.<\/li>\n
- Competitive price: With efficient production processes and a large – scale production capacity, they can offer competitive prices in the market.<\/li>\n<\/ul>\n
Website: https:\/\/www.cncjflange.com\/<\/a><\/p>\n
2. Hebei Haihao Group<\/h3>\n
Hebei Haihao Group is a well – known large – scale enterprise in the pipeline manufacturing industry. It has a long – standing history and a large production base. The group has a complete industrial chain from raw material procurement to finished product production.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Rich product variety: Besides common PN flanges, they also produce special – shaped PN flanges to meet the needs of complex engineering projects.<\/li>\n
- Good surface finish: The PN flanges produced by Hebei Haihao Group have a smooth surface finish, which helps in reducing friction and corrosion in the pipeline.<\/li>\n
- Excellent mechanical properties: Their flanges have high strength and good toughness, ensuring long – term and stable operation in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Industry experience: With decades of experience, they have accumulated profound knowledge in the production and application of PN flanges.<\/li>\n
- After – sales service: The company provides comprehensive after – sales service, quickly responding to customers’ questions and solving problems.<\/li>\n
- Strong R & D capabilities: They continuously invest in research and development to improve the performance of PN flanges and develop new products.<\/li>\n<\/ul>\n
3. Tianjin Pipejoint Industry Co., Ltd.<\/h3>\n
Tianjin Pipejoint Industry Co., Ltd. is located in the economically developed region of Tianjin. It is committed to providing high – quality pipe joints and flanges. The company has advanced production technology and a professional R & D team.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- High – tech manufacturing: They use advanced numerical control machining technology to produce PN flanges, ensuring high – precision and efficient production.<\/li>\n
- Corrosion – resistant coating: Some of their PN flanges are treated with corrosion – resistant coatings, which can extend the service life in harsh environments.<\/li>\n
- Standardized production: All products are manufactured in strict accordance with national and international standards, ensuring product quality and interchangeability.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Location advantage: Being in Tianjin, it has convenient transportation conditions, which is beneficial for product distribution.<\/li>\n
- A large inventory: The company maintains a large inventory of PN flanges, enabling quick delivery to customers.<\/li>\n
- Brand influence: It has a high – profile brand in the industry, which is trusted by many domestic and foreign customers.<\/li>\n<\/ul>\n
4. Jiangsu Shentong Heavy Industry Co., Ltd.<\/h3>\n
Jiangsu Shentong Heavy Industry Co., Ltd. is a large – scale heavy – industry enterprise. It has strong production capabilities and advanced manufacturing equipment. The company is engaged in various industries including power generation, petrochemical, and shipbuilding.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Large – scale production: They can produce PN flanges in large quantities, meeting the needs of large – scale projects.<\/li>\n
- High – strength materials: The company uses high – strength steel materials for PN flanges, which can withstand high pressure and harsh working conditions.<\/li>\n
- Good sealing performance: Their PN flanges are designed with excellent sealing structures, effectively preventing leakage in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Integrated production: They have an integrated production process from steelmaking to finished product manufacturing, which can effectively control costs and quality.<\/li>\n
- Professional engineering support: They provide professional engineering support services, helping customers to select the most appropriate PN flanges for their projects.<\/li>\n
- Market reputation: With a good market reputation, they have won a large number of long – term customers.<\/li>\n<\/ul>\n
5. Guangdong Mingzhu Group Co., Ltd. (Piping – related division)<\/h3>\n
The piping – related division of Guangdong Mingzhu Group Co., Ltd. focuses on the production and sales of piping products. They have a modern production base and a scientific management system.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Quality raw materials: They source high – quality raw materials from reliable suppliers, ensuring the foundation of product quality.<\/li>\n
- Innovative design: The company’s R & D team constantly innovates the design of PN flanges to improve their performance and usability.<\/li>\n
- Easy installation: Their PN flanges are designed for easy installation, which can save installation time and labor costs.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Local supply advantage: They have a good relationship with local suppliers and customers, which can provide more efficient supply and service.<\/li>\n
- Product diversification: In addition to PN flanges, they also offer a series of related piping products, providing one – stop shopping for customers.<\/li>\n
- Environmental protection concept: They pay attention to environmental protection in the production process, and their products meet relevant environmental protection standards.<\/li>\n<\/ul>\n
6. Shandong Shengzhou Pipeline Co., Ltd.<\/h3>\n
Shandong Shengzhou Pipeline Co., Ltd. is a professional pipeline product manufacturer. It has a strong technical force and a complete quality control system.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Precise heat treatment: Their PN flanges undergo precise heat treatment processes, which can optimize the mechanical properties of the flanges.<\/li>\n
- Good weldability: The flanges have good weldability, which is convenient for on – site installation and connection.<\/li>\n
- Stable product quality: Through strict quality control, the company ensures the stability of PN flange quality in each batch.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Cost – effective products: By optimizing production processes and cost management, they can offer cost – effective PN flanges.<\/li>\n
- Technical support: They provide technical support throughout the product life cycle, including pre – sales consultation, on – site installation guidance, and after – sales service.<\/li>\n
- Safety – oriented: Their products are designed and manufactured with safety in mind, ensuring the reliable operation of the pipeline system.<\/li>\n<\/ul>\n
7. Shanxi Puxin Flange Co., Ltd.<\/h3>\n
Shanxi Puxin Flange Co., Ltd. is a leading flange manufacturer in Shanxi. It has a long – term focus on the production of flanges and has in – depth expertise in this field.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Customized machining: They are good at customized machining of PN flanges, and can produce flanges with special requirements according to customers’ drawings.<\/li>\n
- Anti – aging treatment: Some of their PN flanges are treated with anti – aging agents, which can maintain good performance in long – term use.<\/li>\n
- Good dimensional stability: The flanges have good dimensional stability, which can ensure the accurate connection in the pipeline system.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Cultural heritage: Located in Shanxi, an area with a profound industrial culture, the company inherits traditional manufacturing techniques and combines them with modern technology.<\/li>\n
- Low – cost raw materials: Shanxi has rich iron and steel resources, which enables the company to obtain raw materials at relatively low costs.<\/li>\n
- Service – first concept: They always put the needs of customers first and provide high – quality service at every stage.<\/li>\n<\/ul>\n
8. Fujian Gangyuan Steel Pipe Co., Ltd. (Flange – related production)<\/h3>\n
The flange – related production department of Fujian Gangyuan Steel Pipe Co., Ltd. has advanced production equipment and a high – quality workforce. They are committed to providing high – performance flanges.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Light – weight design: Some of their PN flanges are designed with a light – weight structure, which can reduce the overall weight of the pipeline system without sacrificing strength.<\/li>\n
- High – temperature resistance: Their flanges can withstand relatively high temperatures, suitable for high – temperature industrial applications.<\/li>\n
- High rust – prevention ability: The company uses advanced rust – prevention processes to ensure that PN flanges have a long service life in humid environments.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Cost – saving solutions: They can provide cost – saving solutions for customers by optimizing product design and production processes.<\/li>\n
- International cooperation: They have established cooperation relationships with some international companies, which helps them introduce advanced foreign technology and management experience.<\/li>\n
- Brand awareness building: They actively build brand awareness through various channels, enhancing the market competitiveness of their products.<\/li>\n<\/ul>\n
9. Liaoning Haina Steel Pipe Co., Ltd.<\/h3>\n
Liaoning Haina Steel Pipe Co., Ltd. is a comprehensive enterprise in the steel pipe and flange industry. It has a large – scale production line and a wide range of products.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- High – impact resistance: Their PN flanges can withstand high – impact forces, suitable for applications in areas with high – intensity vibrations.<\/li>\n
- Good chemical stability: The flanges have good chemical stability, which can resist corrosion from various chemicals in the pipeline.<\/li>\n
- Modular design: They adopt a modular design for PN flanges, which is convenient for installation and replacement.<\/li>\n<\/ul>\n
Advantages<\/strong>:<\/p>\n
- \n
- Regional resource advantages: Liaoning has rich steel resources and a complete industrial chain, which provides favorable conditions for the company’s production.<\/li>\n
- Quality assurance system: The company has a strict quality assurance system, ensuring that all products meet high – quality standards.<\/li>\n
- Market expansion ability: They have a strong ability to expand the market and have a wide customer base at home and abroad.<\/li>\n<\/ul>\n
10. Anhui Hongyuan Pipeline Fittings Co., Ltd.<\/h3>\n
Anhui Hongyuan Pipeline Fittings Co., Ltd. is a professional manufacturer of pipeline fittings, including PN flanges. It has a professional R & D and production team.<\/p>\n
Features in PN Flanges<\/strong>:<\/p>\n
- \n
- Energy – saving design: Their PN flanges are designed with energy – saving concepts, reducing energy consumption in the pipeline system.<\/li>\n
- High – precision measurement: The company uses high – precision measuring equipment to ensure the accuracy of flange dimensions.<\/li>\n
- Good shock – absorption performance: The flanges have good shock – absorption performance, which can protect the pipeline system from damage caused by vibrations.<\/li>\n<\/ul>\n<\/p>\n
Advantages<\/strong>:<\/p>\n
- \n
- Cost – efficient operation: Through efficient production and management, they can reduce costs and offer more cost – effective products.<\/li>\n
- Technology innovation: They keep investing in technology innovation to improve the performance and quality of PN flanges.<\/li>\n
- Customer – centered service: They focus on customer satisfaction and provide personalized services to meet different customer needs.<\/li>\n<\/ul>\n