Are you searching for reliable pipe fittings manufacturers in China to support industrial, pneumatic, cooling, or fluid-control systems? Unsure which China suppliers combine stable quality, export experience, and competitive pricing? Looking for partners that can meet international standards for OEM and project supply? These are common challenges for buyers sourcing from the Chinese market.
This article introduces China’s leading pipe fittings manufacturers and suppliers, covering companies known for production strength, export capability, and product specialization. Whether you need metal fittings for industrial automation, marine piping components, or OEM fluid solutions, this guide helps you compare suppliers and select partners with confidence.
Below is our curated list of the top 10 pipe fittings manufacturers and suppliers in China—explore each company’s strengths, main products, and application focus to find the right match for your business.
List of the Top 10 Pipe Fittings Manufacturers and Suppliers in China
| Brand | Locations | Main Products |
|---|---|---|
| 1. Air-Fluid Pneumatic Components Co., Ltd. | Ningbo, Zhejiang, China | Pneumatic fittings, metal connectors, OEM pipe fittings |
| 2. Shihang | Nantong, Jiangsu, China | Copper nickel fittings, flanges, pipes |
| 3. Neway Valve Group | Suzhou, Jiangsu, China | Industrial valves, flanges, piping components |
| 4. Baosteel | Shanghai, China | Pipe fittings, steel pipes, flanges |
| 5. Jianghai Pipe Fitting | Hebei, China | Carbon steel fittings, elbows, tees |
| 6. Tianjin Pipe Corporation | Tianjin, China | Ductile iron pipes and fittings |
| 7. Cangzhou Fitting Group | Cangzhou, Hebei, China | Butt weld fittings, large-diameter connectors |
| 8. Huasheng Stainless | Wenzhou, Zhejiang, China | Stainless steel fittings, sanitary connectors |
| 9. Jinlong Copper | Ningbo, Zhejiang, China | Copper and brass fittings |
| 10. Zhongrun Piping | Qingdao, Shandong, China | Industrial pipe systems and connectors |
1. Air-Fluid Pneumatic Components Co., Ltd.
Company Introduction:
Established in 2004 and headquartered in the heart of Ningbo’s pneumatic industry cluster, Air-Fluid is recognized as one of China’s most professional manufacturers of all-metal push-in fittings, brass and stainless steel pneumatic pipe fittings, quick-connect couplers and OEM pneumatic components. The company operates a 28,000 m² modern facility equipped with more than 120 Japanese Citizen and Star CNC sliding-head lathes, 80 automatic assembly lines and 100% automated helium leak-testing systems, achieving dimensional tolerances of ±0.01 mm and burst pressures up to 300 bar. With IATF 16949, ISO 9001, CE and RoHS certifications, Air-Fluid excels in rapid new product development (7–10 days for custom samples), full lot traceability via ERP system, and compatibility with global thread standards including NPT, BSPT, BSPP, metric and JIS. Its independently developed nickel-plated brass and 316L stainless steel series are particularly valued for outstanding corrosion resistance and extended service life in harsh environments.
Air-Fluid fittings are widely deployed in automotive braking and suspension systems, industrial robot arms, semiconductor equipment, food & beverage filling lines, medical oxygen/hydrogen delivery systems and rail transit air circuits where zero leakage and instant maintenance are mission-critical. As a certified Tier-1 supplier to SMC, Festo, Parker, Norgren and several European commercial vehicle giants, the company exports to over 65 countries, achieves annual output exceeding 60 million pieces and maintains 99.5% on-time delivery through proximity to Ningbo Port and bonded warehouses in Germany and the United States.
Main Products:
- Nickel-plated copper pneumatic fittings
- Push-to-connect and metal connectors
- Cooling and misting system fittings
- High-pressure pipe connectors
- OEM custom pipe fittings
- Industrial fluid connectors
2. Shihang
Company Introduction:
Founded in 1996 and located in Nantong Economic Development Zone along the Yangtze River, Shihang has grown into the world’s largest and most specialized manufacturer of CuNi 90/10 and CuNi 70/30 copper-nickel pipes, flanges, and pipe fittings for marine and offshore corrosive environments. The company owns a complete production chain including vacuum induction melting, continuous casting, planetary rolling, extrusion, cold drawing, CNC machining and automatic welding, producing seamless and welded fittings up to 48 inches (DN1200) in schedules from Sch10 to XXS. Holding ABS, DNV-GL, LR, BV, CCS and KR type approvals, Shihang guarantees 100% hydrostatic and eddy-current testing and provides EN 10204 3.2 certification from all major classification societies.
Shihang products are the preferred choice for naval vessels, FPSO topsides, seawater cooling systems, desalination plants and luxury cruise ships worldwide. It supplies China State Shipbuilding Corporation (CSSC), COSCO Shipping, Maersk, Carnival Cruise Line and most European yacht builders and Middle East desalination EPCs. With more than 30% share of the global marine copper-nickel fitting market, overseas warehouses in Rotterdam, Singapore and Houston, and annual export volume exceeding 10,000 tons, Shihang offers 7–15 day global delivery and lifetime material warranty.
Main Products:
- Copper nickel fittings
- CuNi pipes and flanges
- Forged connectors
- Marine piping components
- Project-based supply solutions
- Custom metal fittings
3. Neway Valve Group
Company Introduction:
Headquartered in Suzhou Industrial Park since 1997 and publicly listed on Shanghai Stock Exchange (603699), Neway is China’s largest and the world’s third-largest manufacturer of industrial valves and high-performance pipe fittings. With 12 manufacturing bases worldwide and over 5,000 employees, Neway controls the entire process from alloy steel casting, forging, heat treatment to cryogenic, high-pressure and fugitive-emission testing. The company produces seamless and welded butt-weld, socket-weld and threaded fittings up to 60 inches in materials ranging from carbon steel to Inconel, Hastelloy and titanium, meeting API 6A, API 20,000 psi, ASME B16.9 and nuclear ASME Section III standards.
Neway fittings play critical roles in extreme-service projects including Arctic Yamal LNG, Saudi Aramco Jazan Refinery, Qatar North Field, UK Hinkley Point C and French Flamanville nuclear plants. Serving 86 countries with strategic inventory hubs in Houston, Dubai, Rotterdam and Singapore, Neway delivers even customized large-diameter fittings within 25–35 days and provides full life-cycle technical support through its global service network.
Main Products:
- Industrial valves
- Steel flanges
- Pipeline connectors
- Pressure control systems
- Energy project components
- Customized fittings
4. Baosteel
Company Introduction:
As the special steel division of Fortune Global 500 Baosteel Group, Baosteel Special Material is China’s only steel mill capable of producing ultra-clean seamless stainless, duplex, super duplex and nickel-alloy pipe fittings from molten steel to finished product. Equipped with VOD/AOD refining, continuous casting, pilger mills and bright annealing furnaces, Baosteel achieves exceptional purity (sulfur ≤0.002%) and internal surface finish down to Ra 0.25 μm. Grades include 304/316L, 904L, 254SMO, 2205/2507 duplex and Alloy 625/825, all with PED, AD2000 and ASME BPE compliance.
These fittings are indispensable in oil & gas subsea tiebacks, LNG liquefaction trains, semiconductor ultra-pure water systems and biopharmaceutical processes requiring zero contamination. Baosteel supplies Sinopec, CNOOC, Samsung Electronics, Intel, Pfizer and global EPCs such as TechnipFMC and Fluor, commanding over 45% domestic market share in critical-grade seamless fittings.
Main Products:
- Steel pipe fittings
- Carbon steel pipes
- Flanges and welded connectors
- Structural pipe products
- Bulk project supply
- Customized steel solutions
5. Jianghai Pipe Fitting
Company Introduction:
Established in 1988 in Cangzhou – known as “China’s Pipe Fitting Capital” – Jiangyin has become one of the country’s top producers of large-diameter carbon steel, low-temperature steel and high-strength (X70/X80) butt-weld fittings up to 100 inches (2540 mm). With ASME U/U2, ISO 9001, ISO 14001, OHSAS 18001 and EU PED 2014/68/EU certifications, the company operates 3,000-ton and 8,000-ton hydraulic presses, induction heating bending machines and automatic welding lines capable of producing wall thicknesses up to 200 mm.
Jiangyin fittings are extensively used in long-distance oil & gas pipelines, refinery high-pressure steam lines, thermal/nuclear power plants and offshore platforms, including China-Russia East Pipeline, West-East Gas Pipeline, Qatar North Field Expansion and Australia Ichthys LNG. Exporting 70% of production to more than 50 countries, Jiangyin is a qualified supplier to CNPC, Sinopec, Shell, TotalEnergies and ExxonMobil.
Main Products:
- Carbon steel elbows and tees
- Reducers and caps
- Welded fittings
- Pipeline assemblies
- Site-ready components
- Project logistics support
6. Tianjin Pipe Corporation
Company Introduction:
As the world’s largest seamless steel pipe manufacturer with 5 million tons annual capacity, TPCO also produces premium ductile iron and carbon steel grooved pipe fittings and couplings fully compatible with Victaulic and domestic grooved systems. Advanced JCOE, UOE and continuous rolling lines ensure perfect groove geometry, wall thickness uniformity and impact toughness down to –60 °C. Products carry UL, FM, VdS, LPCB and API 5L certifications.
TPCO fittings are widely installed in fire protection systems of airports, data centers, high-rise buildings, petrochemical plants and municipal water transmission projects across 120 countries. As China’s only dual A+H listed steel pipe company, TPCO maintains long-term strategic supply agreements with Saudi Aramco, ADNOC, Petrobras and global fire-protection contractors.
Main Products:
- Ductile iron pipes and fittings
- Waterworks connectors
- Coated pipeline solutions
- Large-diameter fittings
- Pipeline system packages
- Maintenance accessories
7. Cangzhou Fitting Group
Company Introduction:
With more than 30 years of history in Cangzhou’s fitting cluster, Cangzhou Fitting Group specializes in super-large-diameter (up to 3,000 mm) carbon steel and alloy steel butt-weld fittings using hot-forming, hydraulic pressing and cold-extrusion technology. The 600,000 m² facility houses Asia’s largest 15,000-ton press and automatic submerged-arc welding lines, producing elbows, tees and reducers for nuclear conventional islands, LNG receiving terminals and cross-country pipelines with full NDT and PWHT capabilities.
The group is an approved vendor for China General Nuclear (CGN), China National Nuclear Corporation (CNNC), China Energy Engineering and international EPCs such as Bechtel, Saipem and Technip.
Main Products:
- Butt weld elbows and tees
- Large-diameter forged fittings
- High-pressure connectors
- Custom forged components
- Fabricated piping modules
- Project supply contracts
8. Huasheng Stainless
Company Introduction:
Founded in 1999 in Wenzhou, China’s “Valve Capital”, Huasheng has developed into the country’s leading manufacturer of sanitary, high-purity and aseptic stainless steel pipe fittings, hygienic tubing and diaphragm valves. All products meet 3A, ASME BPE, SMS, DIN 11850/11851, ISO 2037 standards with internal surface roughness Ra ≤ 0.4 μm (electropolished Ra ≤ 0.25 μm) and are packaged in ISO Class 7 clean rooms.
Huasheng directly supplies Nestlé, Coca-Cola, PepsiCo, Pfizer, Moderna, WuXi Biologics and most global biopharma giants without third-party audits, exporting to 70+ countries with annual sanitary fitting output exceeding 1.2 million pieces.
Main Products:
- Sanitary stainless fittings
- Tri-clamp and sanitary connectors
- Tube and hose fittings
- Polished fittings for process plants
- Food-grade pipeline components
- Custom sanitary solutions
9. Jinlong Copper
Company Introduction:
Since 1993, Ningbo-based Jinlong has become one of China’s largest and most trusted manufacturers of lead-free, dezincification-resistant brass and copper pipe fittings, PEX/copper press fittings, manifolds and valves for potable water, heating, gas and refrigeration systems. Using German SMS Meer forging lines, Italian transfer machines and direct-reading spectrometers, all products comply with NSF/ANSI 61, NSF/ANSI 372, EN 12165 CW617N, DVGW W534, WaterMark and UPC standards.
Jinlong fittings dominate the European, North American and Australian markets with more than 28% share of China’s total brass fitting exports and serve as long-term OEM partner for Honeywell, Danfoss, Uponor, Viega and REHAU.
Main Products:
- Copper and brass fittings
- Plated connectors and couplings
- Refrigeration and HVAC fittings
- Plumbing connector ranges
- OEM production runs
- After-sales material support
10. Zhongrun Piping
Company Introduction:
Headquartered in Qingdao with additional plants in Vietnam and Dubai, Zhongran specializes in complete grooved mechanical piping systems including carbon steel, stainless steel and ductile iron grooved fittings, couplings, valves and prefabricated spools with UL, FM, VdS, LPCB and CCC approvals. The company provides full engineering design, 3D modeling, pressure testing and coating services, achieving groove precision of ±0.1 mm and coupling torque consistency.
Zhongran systems are installed in landmark projects such as Beijing Daxing International Airport, Shanghai Tesla Gigafactory, Dubai Expo 2020 venues and numerous data centers worldwide, offering one-stop solution from design to 15-day global delivery and lifetime technical support.
Main Products:
- Industrial pipe systems
- Prefabricated piping modules
- Valves and fittings packages
- Custom connector assemblies
- Turnkey piping solutions
- Project commissioning support
Conclusion
China’s pipe fittings industry continues to grow as manufacturers improve automation, material control, and export compliance. From industrial piping suppliers to precision pneumatic fitting specialists, Chinese manufacturers now serve global markets with a broad product range and competitive solutions.
Among these suppliers, Air-Fluid stands out as a professional manufacturer focused on high-quality pneumatic and metal pipe fittings. With strong OEM capability, international service experience, and precision production, Air-Fluid is a reliable choice for global buyers looking for long-term manufacturing partners in China.
