WHO WE ARE

ABOUT Wenzhou Longtian

The company focuses on the production and research and development of stainless steel flange products. It can produce flange products with special materials of high temperature resistant alloy steel and low temperature alloy steel. The high temperature resistant material products can work for a long time at a high temperature above 600 ℃ and a certain stress. Low-temperature material products can be used under extreme conditions below -196℃; representative products are PL (plate flat welding flange), SO (neck flat welding flange), WN (neck butt welding flange), IF (Integral flange), SW (socket welding flange), BL (flange cover); products are widely used in aviation, aerospace, petroleum, chemical, ship and other industries, and the production standards are strictly in accordance with GB (national standard), AISI ( American Iron and Steel Institute), ASTM (American Society for Testing and Materials), API (American Petroleum Institute)