Products

Longan stainless steel socket weld flange China manufacturer and supplier delivers high quality sealing solutions for oil & gas, semiconductor, and power industries. Produced with precision machining and advanced ERP-controlled manufacturing, it offers low leakage, vibration resistance, thermal stability, and reliable performance in critical pipeline systems.

As a China supplier, Longan provides asme b16.5 socket weld flange for high-pressure and high-purity pipeline systems. Engineered with low-heat welding technology, nano-level sealing control, and vibration-resistant structure, it supports reliable operation in semiconductor, petrochemical, aerospace, and energy applications.

China manufacturer Longan quality Stainless Steel Socket Weld 304/304L designed for high-purity and heavy-duty pipeline systems. Featuring nano-sealing technology, low-heat welding, and strong corrosion resistance, it supports oil & gas, semiconductor, aerospace, and energy applications with stable long-term performance.

Longan Forged Threaded Flange China manufacturer provides heavy-duty forged flange solutions for high-pressure industrial systems. Unlike low-end cast flanges with hidden porosity and sand holes, our forged threaded flanges feature dense internal metal structures, superior tensile strength, and exceptional fatigue resistance for critical oil & gas, LNG, offshore, and power generation applications.

Longan is a China supplier specializing in Stainless Steel Threaded Flange solutions for LNG, shale gas, petrochemical, and offshore systems. Featuring dual-lead locking threads, nano-sealing technology, and API-certified performance, this flange delivers zero-leakage reliability, 400% faster installation, lower carbon emissions, and long-term corrosion resistance in extreme environments.

Known as one of the most competitive socket flange manufacturers and suppliers,the socket flange has passed the SEMI F72 semiconductor certification and provides atomic-level sealing for ultra-high purity pipelines in 3nm wafer factories and helium cooling systems for nuclear fusion reactors. Through electron beam precision lapping of the socket with a tolerance of only ±0.8μm and cold metal transition welding, the pipeline stress is reduced by 92%, and the helium mass spectrometer leak detection is ≤10⁻¹¹ mbar·L/s, which can reach the space capsule standard.