Looking for reliable threaded pipe fittings Manufacturers in China? Wondering which threaded pipe fittings Suppliers can deliver high-quality, durable products for industrial projects? Curious about the differences in materials, standards, and customization options available from Chinese manufacturers?
In this article, we explore the top suppliers and manufacturers of threaded pipe fittings in China, highlighting their experience, certifications, and product ranges. From stainless steel and carbon steel fittings to malleable iron and high-pressure components, these companies serve industries including oil & gas, water treatment, HVAC, and fire protection. You’ll also learn about their OEM capabilities, global distribution, and technical expertise, helping you identify the right partner for your specific piping needs.
We focus on the leading brands that dominate China’s threaded pipe fittings market, including innovative suppliers like AIR-FLUID. Keep reading to discover trusted manufacturers, compare their offerings, and find the best solutions for your industrial projects.
List of the Top 10 Threaded Pipe Fittings Manufacturers and Suppliers in China
| Brand | Headquarters | Main Products |
|---|---|---|
| 1. Jianzhi Pipe Fittings | Tianjin, China | Threaded fittings, malleable iron fittings, grooved fittings, OEM solutions |
| 2. SANVO Pipes and Fittings | Cangzhou, China | Stainless steel fittings, carbon steel fittings, valves, OEM solutions |
| 3. Hebei Metal Trading Co., Ltd | Shijiazhuang, China | Seamless & welded pipes, buttweld fittings, flanges, valves |
| 4. Fluid Tech Piping Systems | Tianjin, China | Ductile/malleable fittings, valves, steel fittings, pipeline solutions |
| 5. Donjoy Technology Co., Ltd | Wenzhou, China | Sanitary fittings, ASME BPE fittings, valves, custom pipelines |
| 6. Yinuo Pipe Fitting | Tangshan, China | Threaded fittings, malleable steel fittings, grooved & ductile fittings |
| 7. Zhejiang Gangda Flange Pipe Fittings | Wenzhou, China | Threaded fittings, stainless flanges, line blanks, OEM solutions |
| 8. Kaysuns | China | Stainless pipes, welded & threaded fittings, flanges, valves |
| 9. Shenzhen Front Valve Co., Ltd. | Shenzhen, China | Industrial valves, pipe fittings, flanges, steel pipes |
| 10. Air-Fluid | Ningbo, China | Quick-connect fittings, pneumatic couplings, misting fittings, threaded fittings, lubrication fittings |
1. Jianzhi Pipe Fittings
Introduction:
Jianzhi Pipe Fittings, officially known as Hebei Jianzhi Casting Group Ltd, is a well-established threaded pipe fittings manufacturer and global supplier that has been serving the pipeline and construction industry since 1982. Headquartered in Tianjin, China, the company provides reliable threaded pipe fitting solutions that support distributors, engineering contractors, and brands seeking high-quality OEM and customized products. With certified production capabilities across three manufacturing bases in China and Romania, Jianzhi supplies threaded pipe fittings that meet NPT, BSPT, ANSI/ASTM B1.20.1, ISO, BS, DIN, and JIS standards—ideal for buyers searching for long-term, high-performance threaded fittings partners.
As one of the top threaded pipe fittings suppliers in China, Jianzhi offers a comprehensive product range including galvanized threaded pipe fittings, black threaded pipe fittings, malleable iron flanges, and grooved fittings, widely used for gas, water, steam, oil, HVAC, and fire protection systems. The company supports private label and OEM customization, enabling overseas brands and wholesalers to develop exclusive product lines with tailored specifications, branding, and packaging. With UL, FM, CE, SIRIM, and ISO 9001 certifications, a 400,000-tons annual production capacity, and a 90% reorder rate, Jianzhi is recognized as a dependable threaded pipe fittings factory for partners in over 100 countries.
Established: 1982
Headquarters: Tianjin, China
Main Products & Services:
- Threaded pipe fittings (NPT, BSPT, ISO/BSP, ANSI) – black & galvanized
- Malleable cast iron fittings and flanges
- Grooved pipe fittings and accessories
- OEM & customized threaded pipe fittings solutions for global brands
- Marketing support for distributors and long-term supply chain partnerships
2. SANVO Pipes and Fittings
Introduction:
SANVO Pipes and Fittings, officially known as Hebei Sanvo Pipes and Fittings Co., Ltd., is a professional manufacturer and exporter of threaded pipe fittings, serving global buyers searching for dependable stainless steel and carbon steel threaded solutions. Established in 1997 and headquartered in Cangzhou, Hebei Province, China, SANVO specializes in producing stainless steel threaded pipe fittings made from 304, 304L, 316, and 316L grades—well-recognized for corrosion resistance and durability. The company supports distributors, importers, and project contractors by offering a wide range of NPT, BSP, and BSPT threaded fittings designed for gas, oil, water, HVAC, plumbing, food-grade, and industrial fluid systems. With ISO 9001 certification and strict compliance with ASTM, ASME, DIN, and BS standards, SANVO has built a reputation as a trusted threaded pipe fittings supplier in China offering precision-engineered products at competitive factory pricing.
SANVO is known for its OEM and customization services, enabling clients to tailor threaded pipe fittings according to drawings, samples, or special technical requirements—making it ideal for brands intending to build their own product line of threaded pipe fittings. With 14 production lines and CNC-controlled machining facilities, SANVO provides an annual output of 7,000 tons of nipples and 2,000 tons of steel pipe couplings, ensuring fast delivery and stable supply for wholesalers and engineering projects. Their threaded stainless steel fittings portfolio includes elbows, tees, unions, hex nipples, pipe plugs, couplings, lock nuts, hose nipples, and reducer fittings. SANVO offers free samples, custom packaging, and direct-from-factory shipping, making them a reliable partner for global threaded pipe fittings buyers looking for long-term cooperation, private label solutions, and cost-effective sourcing from China.
Established: 1997
Headquarters: Cangzhou City, Hebei Province, China
Main Products & Services:
- Stainless steel threaded pipe fittings (NPT, BSP, BSPT)
- Carbon steel and galvanized threaded pipe fittings
- Steel pipes, flanges, and valves for pipeline systems
- OEM & customized threaded pipe fittings based on drawings or samples
- Factory direct export with free samples & tailored packaging
3. Hebei Metal Trading Co., Ltd
Introduction:
Hebei Metal Trading Co., Ltd is a leading global supplier of metal pipeline products with over 30 years of experience in manufacturing and exporting seamless steel pipes, welded pipes, and pipe fittings. Operating under the brands Hebei Metal Trading Co., Ltd and Oceanic Metal Trading Co., Ltd, the company exports to more than 100 countries across the Americas, Europe, Asia, Africa, and Oceania. Their products are widely used in oil & gas transmission, water and gas pipelines, industrial construction, marine projects, and residential applications.
As a professional and comprehensive pipeline solutions provider, Hebei Metal supplies products compliant with international standards including ASTM, ANSI, DIN, EN, JIS, and ISO. The company offers one-stop services for global wholesalers, contractors, and engineering project buyers — including OEM support, customized solutions, technical documentation, and fast delivery. With strong production capability, competitive pricing, and reliable quality assurance, Hebei Metal is a trusted partner for long-term cooperation in the global piping industry.
Established: 30+ Years of Manufacturing Experience
Headquarters: Shijiazhuang, Hebei Province, China
Main Products & Services:
- Seamless & welded steel pipes (carbon steel & stainless steel)
- Buttweld pipe fittings (elbows, tees, reducers, caps)
- Malleable iron threaded pipe fittings
- Steel pipe flanges & valves
- OEM & customized pipeline solutions
4. Fluid Tech Piping Systems (Tianjin) Co., Ltd
Introduction:
Fluid Tech Piping Systems (Tianjin) Co., Ltd is a leading northern China exporter specializing in fire protection, water, plumbing, gas, and HVAC piping systems. Founded in 2018, the group integrates multiple foundries and machining enterprises with five major production bases across Hebei, Shandong, Shanxi, and Zhejiang provinces. The international trade headquarters is located in Tianjin. With extensive industry experience, Fluid Tech provides high-quality, cost-effective solutions for both domestic and international clients, offering one-stop procurement, technical consultation, and professional support. Their products are certified under UL/FM, ISO, SGS, TUV, and other international standards, ensuring reliable performance in fire and water system applications.
Established: 2018
Headquarters: Tianjin, China
Main Products & Services:
- Ductile and malleable iron pipe fittings (grooved, threaded, and flanged)
- Fire valves and water valves
- Steel pipe fittings and accessories
- Seismic brackets and carbon steel press-fit pipe fittings
- One-stop pipeline system solutions including procurement, inspection, and delivery
5. Donjoy Technology Co., Ltd
Introduction:
Donjoy Technology Co., Ltd, founded in 1993 and based in Wenzhou, China, is a leading manufacturer and supplier of high-quality threaded pipe fittings and sanitary fittings. Covering 27,000 square meters with over 300 skilled employees, the company specializes in producing ASME BPE, 3A, and other international standard fittings for industries such as biopharmaceuticals, food and beverage, semiconductors, and new energy. As a trusted threaded pipe fittings supplier in China, Donjoy combines advanced material processing, welding, and surface finishing technologies with strict quality control, offering elbows, tees, reducers, threaded connectors, aseptic valves, and complete pipeline safety solutions. Certified under ISO9001:2015, 3-A, PED, and ATEX standards, Donjoy delivers precise, durable, and hygienic piping components to meet both domestic and global industrial requirements.
Headquarters: Wenzhou, China
Main Products & Services:
- ASME BPE and sanitary pipe fittings (elbows, tees, reducers, threaded connectors)
- High-purity pumps and aseptic valves
- Valve controllers and automatic regulating valves
- Pipeline cleaning, lighting, and safety control technology
- Customized high-clean pipelines and process container solutions
6. Yinuo Pipe Fitting
Introduction:
Yutian Yudong Foundry Co., Ltd., operating under the brand Yinuo Pipe Fitting, is a prominent threaded pipe fittings manufacturer and supplier in China. Established in 1990 and headquartered in Tangshan City, Hebei Province, the company specializes in the research, development, production, and distribution of malleable steel pipe fittings, grooved pipe fittings, ductile iron fittings, galvanized pipe fittings, and valves with accessories. Yinuo Pipe Fitting is recognized for providing highly customizable solutions for industrial and commercial piping systems, including fire protection, gas pipelines, HVAC, and household installations, offering clients tailored products that meet specific project requirements and international quality standards such as UL, FM, CE, BSI, and ISO.
Yinuo Pipe Fitting emphasizes end-to-end service and factory-to-customer solutions, combining advanced DISA casting lines, automatic and manual machining production lines, and a dedicated team of R&D engineers and quality control staff. With over 50,000 tons of annual production capacity and a skilled workforce of nearly 100 employees, the company can handle large-scale orders, customized threading, and flexible specifications to meet diverse market needs. By focusing on client-oriented solutions and personalized support, Yinuo Pipe Fitting has become a trusted brand and reliable supplier for threaded pipe fittings, helping businesses streamline procurement, reduce costs, and maintain consistent quality in piping systems worldwide.
Established: 1990
Headquarters: Tangshan City, Hebei Province, China
Main Products:
- Threaded pipe fittings (elbows, tees, reducers, connectors)
- Malleable steel pipe fittings
- Grooved pipe fittings and ductile iron fittings
- Galvanized pipe fittings and valves with accessories
- Custom manufacturing and personalized piping solutions
7. Zhejiang Gangda Flange Pipe Fittings Co., Ltd.
Introduction:
Zhejiang Gangda Flange Pipe Fittings Co., Ltd., headquartered in Longwan District, Wenzhou City, China, is a leading threaded pipe fittings manufacturer and supplier. With extensive experience in producing high-quality flanges and pipe fittings for petroleum, petrochemical, power, and natural gas industries, Gangda specializes in both standard and customized threaded fittings. The company emphasizes advanced manufacturing technology, rigorous quality control, and compliance with international standards, ensuring reliable performance in low-pressure and high-pressure piping systems. Their product range includes threaded elbows, tees, reducers, pipe caps, plugs, and various flanged and threaded solutions designed to meet diverse industrial applications.
Gangda combines modern production equipment, professional R&D engineers, and a dedicated quality control team to provide OEM and ODM solutions tailored to customer needs. Their threaded fittings are crafted for corrosion resistance, high mechanical strength, and precision threading, supporting both NPT and BSPT standards as well as metric specifications. By focusing on personalized service, technical support, and fast delivery, Zhejiang Gangda has built a reputation as a dependable supplier for clients seeking durable, customizable threaded pipe fittings in China and globally, enabling efficient project implementation and long-term partnerships.
Established: 2000s (10+ years experience)
Headquarters: Longwan District, Wenzhou City, Zhejiang Province, China
Main Products:
- Threaded pipe fittings (elbows, tees, reducers, caps, plugs)
- Stainless steel flanges (slip-on, weld neck, blind, lap joint, reducing)
- Line blanks and socket weld fittings
- Custom OEM/ODM threaded and flanged solutions
- Technical support and project-specific piping solutions
8. Kaysuns
Introduction:
Kaysuns, based in China, is a leading manufacturer and supplier specializing in stainless steel, duplex steel, and nickel alloy piping solutions. The company offers a comprehensive range of seamless and welded pipes, precision tubing, pipe fittings, flanges, valves, gaskets, and fasteners. Kaysuns provides full-package solutions for industrial piping systems, catering to diverse sectors including petrochemical, chemical, oil & gas, power, food processing, and engineering industries worldwide.
Kaysuns emphasizes high-quality manufacturing with materials including 304/304L, 316/316L/Ti, 310S, 317L, 321, 347H, 904L, 254 SMO, Duplex 2205, Super Duplex 2507, Hastelloy C22/C276, Inconel 600/625/800H, titanium alloys, and copper-nickel alloys. The company also specializes in large-diameter and heavy-wall seamless pipes and fittings, and custom fabrications such as overlay welding and pre-fabricated flanged assemblies.
As an ISO 9001 certified supplier, Kaysuns sources materials from qualified mills and offers third-party inspection from agencies like SGS, Intertek, TUV, BV, LR, and DNV. The company’s strength lies in combining reliable quality, competitive pricing, timely delivery, and customized solutions, making it a trusted partner for global projects requiring stainless steel and alloy piping systems.
Established: 2000s (15+ years experience)
Headquarters: China
Main Products:
- Seamless stainless steel pipes and precision tubing
- Welded and forged pipe fittings (buttweld, threaded, socket weld)
- Stainless steel and alloy flanges (WN, SO, BL, SW, TH)
- Industrial valves, gaskets, fasteners
- Custom fabrication, overlay welding, and pre-fabricated assemblies
9. Shenzhen Front Valve Co., Ltd.
Introduction:
Shenzhen Front Valve Co., Ltd., based in Shenzhen, China, is a leading manufacturer and supplier of industrial valves, pipe fittings, flanges, steel pipes, and related piping accessories. With nearly 20 years of experience, the company exports globally to regions including Europe, the USA, South America, Africa, the Middle East, and Australia.
Front Valve’s product range includes ball valves, gate valves, globe valves, safety relief valves, knife gate valves, check valves, butterfly valves, plug valves, strainers, steam traps, quick connectors, all types of flanges, butt-weld and forged pipe fittings, and cemented carbide products. They manufacture using carbon steel, alloy steel, stainless steel, grey iron, ductile iron, brass, and bronze to suit various industrial applications such as oil, gas, petrochemical, pharmaceuticals, food industries, marine systems, fire-safety systems, and power stations.
The company emphasizes strict compliance with international standards including API, ANSI, AWWA, JIS, BS, and DIN. Most of their products carry ISO 9001, API 6D, TUV, and CE certifications, with EN10204-3.1 Mill Test Certificates provided to ensure quality assurance. Shenzhen Front Valve is known for professional after-sales support, timely delivery, and strong technical expertise, making it a trusted partner for global industrial projects.
Established: 2005 (nearly 20 years experience)
Headquarters: Shenzhen, China
Main Products:
- Industrial valves: ball, gate, globe, check, butterfly, plug, safety relief, knife gate, steam traps
- Pipe fittings: butt-weld, forged steel, high-pressure Weldolets, Threadolets, Sockolets, nipples, plugs
- Flanges: all types
- Steel pipes and cemented carbide products
- Custom piping solutions and accessories
10. Air-Fluid
Introduction:
Ningbo Air-Fluid Pneumatic Components Co., Ltd, established in 2010 on Hangzhou Bay, is a leading manufacturer of precision pneumatic and threaded pipe fittings. Air-Fluid serves automation equipment manufacturers, lubrication systems, mold cooling providers, and chemical industries worldwide. The company emphasizes quality, technical excellence, and reliability, producing all-copper nickel-plated quick-connect fittings and other pneumatic components under ISO 9001 certification.
Established: 2010
Headquarters: No.103 Zhao Jia, Jiangdong Cun, Zonghan Street, Cixi District, Ningbo City, Zhejiang Province, China
Main Products:
- All-copper nickel-plated quick-connect fittings
- Metal pneumatic couplings
- High-pressure misting fittings
- Threaded pipe fittings (elbows, couplings, adapters)
- Lubrication & mold cooling system fittings
Conclusion
China is home to some of the world’s leading manufacturers and suppliers of threaded pipe fittings, serving diverse industries such as oil & gas, chemical processing, water treatment, HVAC, and fire protection. Companies like Jianzhi, SANVO, and Hebei Metal Trading have established themselves with decades of experience, offering a wide range of products including stainless steel, carbon steel, and malleable iron fittings, as well as seamless and welded pipes. These manufacturers focus on precision engineering, strict quality control, and international standards compliance, providing OEM solutions and customized services for global buyers.
Alongside these established leaders, newer players like Fluid Tech Piping, Donjoy Technology, and Yinuo Pipe Fitting demonstrate the growing emphasis on specialized solutions for industrial, sanitary, and high-pressure applications. Each of these top suppliers combines technical expertise with efficient production capabilities, enabling reliable delivery and long-term partnerships for global clients.
In this highly competitive market, AIR-FLUID stands out as a trusted partner for precision pneumatic and threaded pipe fittings. Founded in 2010 in Ningbo, China, AIR-FLUID provides high-quality nickel-plated quick-connect fittings, metal pneumatic couplings, and specialized components for lubrication, mold cooling, and automation systems. With ISO 9001 certification and a focus on technical excellence, AIR-FLUID not only supplies dependable products but also delivers comprehensive support for international industrial applications.