About us
Hunan Mansionar Construction 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.
Steel grade:0Cr18Ni9(304), 00Cr19Ni10(304L), 00Cr17Ni12Mo2(TP316L), 0Cr25Ni20(310S), 1Cr18Ni9Ti(321), 0Cr18Ni10Ti(TP321), 347H(0Cr18Ni11Nb),904L,2205 and other materials of stainless steel series products.
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.
Seamless steel pipe factory is located in Mengcun,Cangzhou City Hebei,China. It is the production of seamless steel pipe, the factory was founded in 2012, has been engaged in seamless steel pipe manufacturing, can produce pipe size from 1/8” to 4” specifications of seamless steel pipes.
The company has quality assurance system and completed quality testing means, strict implementation of national standards and enterprise internal control standards, passed the quality system certification of China Import and Export Quality Certification Center, and obtained the special equipment manufacturing license issued by the State Administration of Quality Supervision; In 2013, it passed the API certification of the American Petroleum Institute. Also passed the quality management system certification, quality management system in line with GB/T19001-2008-IS09001 standard.
We supply Seamless pipe from OD 1/8”-24” with WT SCH.40, SCH.80, SCH160, SCH.XS, Pipe with size less than 4” are produced by our own workshop; Size over 4” from TPCO, BAOSTEEL，PANJIN STEEL…with steel grade API 5L PSL1 GR.B, ASTM A106/A53 GR.B.
Pipe fittings factory is located in Cangzhou City,Hebei Province,China. The company produces main products: elbow, elbow, tee, reducer, flange, cap,weldolet,threadolet and other high, medium and low pressure three series, the product materials are carbon steel, stainless steel, alloy steel and other metal materials with special requirements of users, pipe fittings products a total of more than 1000 specifications and models. The company’s products are widely used in petroleum, electric power, chemical, light industry, metallurgy, shipbuilding, urban construction and other industries, the products are sold in demastic market, and exported to Saudi Arabia,United Arab Emirates, Thailand, Italy, India, Pakistan, Bangladesh, Syria, Iran, Indonesia and other countries and regions.
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.
