Phone / WhatsApp :+86 15868721920

Adresse :Binhai Industrial Park, Longwan District, Wenzhou

Engineered for Extremes:

Oil, Gas & Chemical Piping Solutions

Delivering high-performance flanges, forged fitings, and heavy-duty fasteners designed to withstandsevere pressures, corrosive environments, and extreme temperatures. Fully compliant with ASME, APl,and NACE standards.

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Heavy-Duty Flanges

Designed for high-pressure sealing and severe corrosivemedia.

  • API 6A Wellhead Flanges (6B & 6BX)Weld
  • Neck Flanges (Class 150 – 2500)
  • Ring Type Joint (RT]) Facings

Heavy-Duty Flanges

Designed for high-pressure sealing and severe corrosivemedia.

  • API 6A Wellhead Flanges (6B & 6BX)Weld
  • Neck Flanges (Class 150 – 2500)
  • Ring Type Joint (RT]) Facings

Heavy-Duty Flanges

Designed for high-pressure sealing and severe corrosivemedia.

  • API 6A Wellhead Flanges (6B & 6BX)Weld
  • Neck Flanges (Class 150 – 2500)
  • Ring Type Joint (RT]) Facings
ASTM A182 F316 Flange vs F304 Flange

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Explore by Application

Integrated Solutions for Critical Piping

Heavy-Duty Flanges

Designed for high-pressure sealing and severe corrosive media.

  • API 6A Wellhead Flanges (6B & 6BX)
  • Weld Neck Flanges (Class 150 - 2500)
  • Ring Type Joint (RTJ) Facings
View Flanges →

High-Pressure Fittings

Seamless construction for absolute leak-proof performance.

  • Forged Socket Weld Fittings (3000# / 6000#)
  • MSS SP-97 Branch Outlets (Olets)
  • Butt Weld Tees & Reducers
View Fittings →

Structural Fasteners & Studs

High-tensile mating parts for secure flange joints.

  • Double End Studs (DIN 938/939)
  • Heavy Hex Bolts & Nuts
  • All-Metal Lock Nuts (High-Temp)
View Fasteners →
Project Case Study

North Sea FPSO Piping Upgrade

The Challenge: An offshore Floating Production Storage and Offloading (FPSO) vessel required an urgent pipeline upgrade capable of handling highly sour gas (H2S) and saltwater corrosion under 10,000 PSI pressure.

Our Solution: We manufactured and delivered a complete package of API 6A Flanges in Super Duplex 2507, mated with customized Inconel 625 Double End Studs and Heavy Hex Nuts. All components underwent 100% PMI (Positive Material Identification) and ultrasonic testing.

Zero Leakage Tolerance
MTC 3.1 Full Traceability
NACE MR0175 Compliant

Stringent Quality & Materials

We supply components in Carbon Steel (A105), Stainless Steel (316L), Duplex 2205/2507, and Specialty Alloys (Monel, Inconel). Manufactured strictly to global standards.

ASME B16.5 / B16.47 API 6A NACE MR0175 EN 10204 3.1 MTC 100% NDT Tested