About us
Hunan Mansionar Building Material Co. Ltd is a company integrated with design, manufacturing and sales for stainless tube and stainless decorative sheet ,carbon steel pipes,hot dipped galvanized pipes, flanges, pipe fittings etc.Providing one-stop service for your project in domestic and foreign customers.
From the year of 2004, the first workshop set up, Hunan Mansionar Building Material Co. Ltd has to been one of with high reputation suppliers of steel products in China and around the word.
Stainless factory was founded and located in Wenzhou, Zhejiang Province in 2004, covering an area of 40,000 square meters. The annual output of seamless and welded steel pipe more than 10,000 tons, and the annual output value exceeds 500 million yuan.
The stainless steel seamless pipe materials produced by the company include 300 series, 904, duplex steel, and special nickel alloy series; Standard GB/T14976-2002, GB/T13296-91, GB/T12770-91, GB/T12771-91, ASTM A312, A213, A269,GOST9941-81, GOST9940-81 etc.
The products include precision tube, heat exchange tube, petroleum cracking tube, nuclear power tube, ship inspection seamless tube, car processing tube, BA grade seamless tube,building decoration, Widely used in petroleum, chemical industry, nuclear industry, electric power, shipbuilding, paper making, pharmaceutical, food, decoration, machinery and construction industries, exported to all over the world.
Carbon steel seamless pipe and fittings factory located in Cangzhou City,Hebei Province,China. Carbon steel seamless pipe steel grade API 5L PSL1 GR.B, ASTM A106 GR.B, ASTM A53 GR.B.
Flange with standard of ASME B 16.5,ASME B 16.47/48, EN 1092, BS4504, GOST 12820-80/12821/12836 DIN JIS series etc.
Pipe fittings steel grade can be carbon steel,stainless,alloy; Standard ASME B16.9, ASME B16.49, ASME B16.25, EN10253, DIN2605/2615/2616/2617, BS1640/1965, GOST 17375/17376/17378/17379,JIS B2311/2312/2313.