The 90 ° 20 # seamless elbow, alloy elbow, Cangzhou Hongyuan Pipe Co., Ltd. (Sales Manager Zhang Yongle Contact 15612744375 90 ° 20 # The company produces seamless elbow, alloy elbow diameter pipe, the size of the first 20 steel, Q235, Q345, 16Mn head size standard: GB United States marked the British standard and non-standard products. material. Ministry of Electricity Standard GD0506 ~ 0507 supporting pressure vessel flange, tube plate corresponding standard: JB/T4700 to 4707-2000 the implementation of national standards (GB/T9112-2000) mechanical Ministry of the standard (JB/T81-1959 JB/T74-1994) and petrochemical Standards (SH3406-1996), the marine standard GB/T10752-1999 Chemical Standards (HG/T5010-1958, HG/T20592-2009), etc. and export forged steel flange material ASTM A105 standards in accordance with the United States. widely used in chemical, construction, water supply, drainage, oil, light and heavy industries, frozen, health , plumbing, fire, electrical, aerospace, shipbuilding and other infrastructure projects. the strong technical force, advanced testing equipment, and has a non-destructive testing laboratory, using advanced cold forming and thermal processing production process has advanced production equipment, professional technical staff, to ensure that the product quality and the reliability of the company "customer first, reputation first, quality and price Shuangyou, courteous service" for business purposes, to ensure the best quality, lowest price, best after-sale service, wholeheartedly welcome new and old customers to establish long-term stable cooperative relationship with us, to create brilliant tomorrow!