Are you searching for reliable Compression Fittings Manufacturers to partner with for your industrial projects? What are the key factors that distinguish the top-tier Compression Fittings Suppliers in a competitive global market? And why has China emerged as the undisputed hub for high-quality, cost-effective fluid system components?
This article provides a definitive guide to the leading compression fittings manufacturers and suppliers based in China. We have meticulously compiled a list of the top 10 companies, evaluating them based on critical criteria such as manufacturing expertise, quality certifications, product range, material specialization, and their capability for custom OEM/ODM solutions. Whether your application requires standard hydraulic fittings, specialized pneumatic connectors, or custom-designed solutions for extreme pressures and temperatures, this review offers the essential insights to inform your sourcing decision.
The following sections will delve into a detailed analysis of each company, empowering you to identify the ideal partner for your specific needs; read on to discover which manufacturers made the list.
List of the Top 10 Compression Fittings Manufacturers and Suppliers in China
| Brand | Headquarters | Core Offerings |
|---|---|---|
| 1. JIAYUAN FITTING | Yuyao, Zhejiang, China | High-pressure compression fittings, DIN/JIS/SAE standards, Custom OEM services |
| 2. SUNPLAST PIPE | Ningbo, Zhejiang, China | PEX-AL-PEX compression fittings, Brass compression systems, ASTM F1281 compliant |
| 3. HIKELOK | China | Twin ferrule fittings, Ultra-high pressure fittings, Custom material solutions |
| 4. LEGINES | Zhuji, Zhejiang, China | Brass compression components, DOT-certified fittings, OEM/ODM services |
| 5. IFAN | Zhuji, Zhejiang, China | PEX brass compression fittings, Water supply systems, ISO9001 certified |
| 6. GREENLAKE | Ningbo, Zhejiang, China | PP compression fittings, Irrigation systems, Custom configurations |
| 7. TOPA HYDRAULIC | China | Hydraulic compression fittings, Single/double ferrule designs, OEM solutions |
| 8. NB-QXHY | Ningbo, Zhejiang, China | PP compression fittings, Custom design, ISO certified production |
| 9. DONSEN | Yuyao, Ningbo, China | PP compression fittings, International certifications, Water supply systems |
| 10. AIR-FLUID | Cixi, Ningbo, China | Nickel-plated copper fittings, High-pressure pneumatic, ISO 9001 certified |
1. JIAYUAN FITTING
Yuyao Jiayuan Hydraulic Fitting Factory ranks among China's top compression fitting manufacturers, specializing in precision-engineered solutions for industrial fluid systems. Established in 1998 with headquarters in Zhejiang Province, this ISO 9001 and IATF 16949 certified factory combines automated CNC production with extensive metallurgical expertise to deliver high-pressure compression fittings that meet DIN, JIS, and SAE international standards.
The company's compression fitting product line features three material options (stainless steel, brass, carbon steel) across tube sizes from 2mm to 38mm OD, with pressure ratings up to 630 bar. Their manufacturing capabilities include custom compression fitting development for specialized applications in oil/gas, chemical processing, and heavy machinery. As both a direct factory and global supplier, Jiayuan offers OEM services with rapid prototyping, technical support, and flexible MOQ options for bulk compression fitting procurement.
Established: 1998
Headquarters: Yuyao City, Zhejiang Province, China
Production Facilities: 10,000㎡ factory with robotic CNC machining
Core Offerings:
- DIN 2353/JIS B2351/SAE J514 standard compression fittings
- High-pressure tube fittings (315-630 bar working pressure)
- Custom compression nut/ferrule configurations
- Material options: SS304/316, brass CW617N, carbon steel
- Third-party certified leak-free performance testing
2. SUNPLAST PIPE
Ningbo Sunplast Pipe Co., Ltd stands as a prominent Chinese manufacturer specializing in comprehensive plastic piping systems, with particular expertise in compression fittings for multilayer pipes. Established over 15 years ago in Zhejiang Province, the company has evolved from a small operation into a modern manufacturing enterprise with three specialized workshops and more than 200 employees. Their product range encompasses HDPE pipes, multilayer pipes, and specifically engineered compression fittings designed for PEX-AL-PEX piping systems used in residential and commercial plumbing applications.
The company's compression fitting solutions feature brass construction with double EPDM O-rings for leak-proof performance, available in sizes from 16mm to 32mm. These fittings comply with ASTM F1281 standards and offer easy installation without specialized tools. Sunplast serves a global market spanning 30+ countries, providing OEM services and technical support for compression fitting applications in water supply, gas distribution, and underfloor heating systems through their export department based in Ningbo.
Established: 2008+ (15+ years experience)
Headquarters: Ningbo City, Zhejiang Province, China
Production Facilities: Three manufacturing workshops with 15,000+ tons annual capacity
Core Offerings:
- PEX-AL-PEX compression fittings (16-32mm sizes)
- Brass compression couplings, elbows, tees, and reducers
- Complete multilayer pipe systems and installation tools
- ASTM F1281 compliant compression fitting solutions
- OEM compression fitting manufacturing and customization
3. HIKELOK
Hikelok, established in 2011 as Sailuoke Fluid Equipment Inc., has emerged as a leading Chinese manufacturer specializing in high-performance compression fittings and fluid system components. Headquartered in China with advanced CNC manufacturing facilities, the company holds 5 invention patents and 23 utility patents, supplying precision-engineered compression solutions to critical industries including oil & gas, semiconductor, and aerospace sectors globally.
The company's core compression fitting product lines include twin ferrule tube fittings, ultra-high pressure fittings (up to 60,000 psi), and vacuum-rated connections, all manufactured under ISO 9001 (TUV certified) and PED 4.3 standards. Hikelok's technical expertise extends to custom compression fitting development, offering material options in 316 stainless steel, alloy C276, and titanium for specialized applications requiring corrosion resistance or extreme pressure tolerance.
Established: 2011
Headquarters: China (exact location unspecified)
Certifications: ISO 9001, PED 4.3, ABS, TSG valve production license
Core Offerings:
- Twin ferrule compression fittings (1/8" to 2" sizes)
- High-pressure instrumentation fittings (to 60,000 psi)
- Swagelok-compatible compression tube fittings
- Custom material/specification compression solutions
- Global technical support and rapid prototyping
4. LEGINES
Legines Industrial Machinery Inc. operates as a specialized compression fittings manufacturer with core competencies in producing brass components for industrial fluid systems. The company's manufacturing operations are based in a 3,600-square-meter production facility located within Zhejiang Province's industrial zone, where they utilize advanced CNC machinery to achieve an annual production capacity exceeding 2.5 million compression fitting units. As established compression fittings suppliers, their product portfolio encompasses comprehensive solutions including precision compression sleeves, tube nuts, and specialized union configurations engineered to meet international standards for diverse industrial applications requiring reliable fluid connections.
The company's capabilities as compression fittings manufacturers encompass both standard catalog items and custom-designed components, with particular expertise in brass and stainless steel constructions suitable for demanding environments. Their compression fittings comply with rigorous automotive standards including FMVSS571.106 certification, positioning them as preferred compression fittings suppliers for critical applications in brake systems and hydraulic machinery. Through their OEM/ODM services, this compression fittings manufacturer delivers tailored solutions supported by ISO 9001 certified quality management systems and comprehensive testing protocols that validate performance under various operational conditions, ensuring reliability for industrial clients worldwide.
Established: 2016
Headquarters: Zhuji City, Zhejiang Province, China
Production Capacity: 2.5 million sets/year across 3,600㎡ facility
Core Offerings:
- Brass compression fittings (sleeves, nuts, elbows, tees)
- DOT-certified air brake compression components
- Custom compression fitting design and manufacturing
- ISO 9001 certified quality management system
- Global compression fitting supplier with OEM capabilities
5. IFAN
Legines Industrial Machinery Inc. has positioned itself as a prominent compression fittings manufacturer with specialized expertise in brass component production for fluid transfer systems. Operating from their 3,600-square-meter manufacturing plant in China's Zhejiang industrial zone, the company maintains significant production capacity with advanced CNC equipment capable of manufacturing over 2.5 million compression fitting units annually. As compression fittings suppliers, they provide comprehensive product ranges including precision compression sleeves, tube nuts, and specialized union configurations that meet international standards for industrial applications.
The company's manufacturing capabilities as compression fittings manufacturers extend to both standard and custom-designed components, with particular strength in brass and stainless steel constructions. Their compression fittings comply with rigorous automotive and industrial standards including FMVSS571.106 certification, making them preferred suppliers for brake systems and hydraulic applications. Through their OEM/ODM services, this compression fittings manufacturer offers tailored solutions for specific project requirements, supported by ISO 9001 certified quality management systems and comprehensive testing protocols that ensure reliable performance across various operating conditions.
Established: 1993 (30+ years experience)
Headquarters: Zhuji City, Zhejiang Province, China
Production Facilities: 50-acre industrial park with automated production lines
Core Offerings:
- PEX brass compression fittings (20-63mm sizes)
- Complete compression fitting systems for water supply
- OEM compression fitting customization services
- ISO9001, SGS certified quality management
- Global compression fitting supplier with 30+ years expertise
7. TOPA HYDRAULIC
Topa stands as a prominent compression hydraulic fitting manufacturer with over 20 years of specialized experience in fluid system components. Operating from a modern manufacturing facility equipped with 18 automated CNC lathes and staffed by 80 skilled technicians, the company has established itself as a reliable supplier of precision compression fittings for global markets. Their extensive product catalog includes comprehensive compression fitting solutions designed for diverse industrial applications requiring leak-proof connections under high-pressure conditions.
As compression fittings suppliers, Topa offers both standard and custom-designed compression fittings in brass, stainless steel, and carbon steel materials, compatible with various international standards including DIN, JIC, BSP, and NPT. The company's compression fitting manufacturing capabilities encompass single and double ferrule designs, compression unions, elbows, and tees, all produced under rigorous quality control protocols. Their technical expertise extends to providing OEM compression fitting solutions with custom branding and packaging options for specialized market requirements.
Established: 20+ years in hydraulic industry
Headquarters: China (manufacturing base)
Production Capacity: 18 CNC lathes with 80 technicians
Core Offerings:
- Compression hydraulic fittings (brass, stainless steel, carbon steel)
- DOT-standard compression fittings for brake systems
- Custom compression fitting design and manufacturing
- ISO-certified quality management system
- Global compression fitting supply with OEM services
8. NB-QXHY
Ningbo Qianxiang Huiya International Trade Co., Ltd. (NB-QXHY) operates as a specialized manufacturer of PP compression fittings with comprehensive expertise in plastic piping systems. Established in 2008 and headquartered in Ningbo's High-Tech Industrial Development Zone, the company manages a 20,000-square-meter production facility equipped with 50 injection molding machines capable of producing 8,000 tons annually. As compression fittings manufacturers, they have developed extensive product lines including PP compression fittings series specifically engineered for high-pressure fluid transport and irrigation applications.
The company's compression fittings suppliers network spans over 150 countries, with particular strength in South American, African, and Southeast Asian markets. Their PP compression fittings feature full customization capabilities including color variations, wall thickness adjustments, and proprietary branding options. NB-QXHY maintains ISO 9001 and ISO 14001 certifications for their compression fittings manufacturing processes, implementing rigorous quality control measures from raw material selection to finished product testing to ensure reliable performance in various application environments.
Established: 2008
Headquarters: Ningbo, Zhejiang Province, China
Production Scale: 20,000㎡ facility with 50 injection machines
Core Offerings:
- PP compression fittings (20mm-110mm size range)
- Custom compression fitting design and manufacturing
- Turkey-type and Italy-type compression fitting variants
- ISO-certified compression fittings production
- Global compression fittings supplier with OEM services
9. DONSEN
Zhejiang Donsen Environmental Technology Co., Ltd. has established itself as a leading compression fittings manufacturer since its founding in 1996, specializing in comprehensive plastic piping systems for water supply and irrigation applications. Operating from their production base in Ningbo, China, the company leverages over 25 years of manufacturing expertise to produce high-quality PP compression fittings that meet international standards. As compression fittings suppliers, Donsen serves a global market spanning more than 100 countries across Europe, South America, Asia, and the Middle East with reliable fluid connection solutions.
The company's compression fittings manufacturing capabilities include advanced production lines for PP compression fittings that undergo rigorous quality testing and international certification processes. Donsen holds multiple international certifications including CE, NSF, SABS, and GOST, ensuring their compression fittings meet the highest quality benchmarks for various global markets. Their product range as compression fittings manufacturers encompasses complete piping systems suitable for civil water supply, building drainage, and agricultural irrigation applications, with particular strength in customized compression fitting solutions for specific project requirements.
Established: 1996
Headquarters: Yuyao City, Ningbo, Zhejiang Province, China
Certifications: CE, NSF, SABS, GOST, WRAS, SIAA, SKZ
Core Offerings:
- PP compression fittings for water supply systems
- International certified compression fitting solutions
- Custom compression fitting manufacturing
- Global compression fittings supply network
- 25+ years compression fittings manufacturing experience
10. AIR-FLUID
Ningbo Air-Fluid Pneumatic Components Co., Ltd. has built a strong reputation as specialized compression fittings manufacturers since commencing operations in 2010. Operating from their manufacturing base in Ningbo's Cixi District, the company has developed particular expertise in producing precision compression fittings for demanding pneumatic applications across various industrial sectors. Their product range as compression fittings suppliers includes nickel-plated copper compression components engineered to withstand operating pressures reaching 120kg/cm², serving critical applications in automated machinery, lubrication systems, and industrial equipment globally.
The company's manufacturing capabilities as compression fittings manufacturers are backed by ISO 9001 certification and quality verification from China's National Pneumatic Product Quality Supervision Center. Their position as reliable compression fittings suppliers is strengthened by a distribution network serving key industrial markets in Germany, the United States, and throughout Europe. Air-Fluid offers comprehensive compression fitting solutions ranging from standard catalog items to custom-designed components for specialized applications involving high-pressure conditions, temperature variations, and challenging chemical environments.
Established: 2010
Headquarters: Cixi District, Ningbo, Zhejiang Province, China
Certifications: ISO 9001, National Pneumatic Product Quality Certification
Core Offerings:
- High-pressure nickel-plated copper compression fittings
- Industrial-grade pneumatic compression connections
- Custom compression fitting solutions for OEM applications
- ISO-certified compression fittings manufacturing
- Global compression fittings supply with technical support
Conclusion
Based on the comprehensive overview of China's leading compression fitting manufacturers, it's evident that the market offers diverse specialization areas from hydraulic systems and industrial piping to irrigation applications. While companies like Jiayuan and Topa excel in heavy-duty hydraulic compression fittings, and manufacturers like Sunplast and DONSEN focus on plastic piping systems, there remains a distinct need for specialized pneumatic compression solutions in automation and high-pressure fluid systems.
This is where AIR-FLUID establishes its unique position in the compression fittings landscape. Unlike manufacturers targeting broader industrial or plumbing applications, we concentrate specifically on precision pneumatic compression fittings engineered for demanding automation equipment, lubrication systems, and industrial machinery. Our nickel-plated copper compression fittings are manufactured to withstand extreme pressures up to 120kg/cm², addressing the gap between standard industrial fittings and specialized pneumatic requirements.
What distinguishes AIR-FLUID within this competitive market is our ISO 9001 certified manufacturing process and validation by China's National Pneumatic Product Quality Supervision Center. While many manufacturers offer compression fittings as part of broader product portfolios, we maintain dedicated expertise in pneumatic compression technology, serving critical applications in German, American, and European automation systems where reliability under continuous operation is paramount. Our focus remains on delivering compression solutions that meet the precise demands of modern pneumatic systems rather than competing in broader industrial markets.
