Flanged connections are important pipeline construction, flanged easy to use, able to withstand greater pressure in the pipeline industry, the use of a wide range of flange connection. Flange material: carbon steel, mainly 20 # steel, Q235 material, 16Mn, stainless steel, alloy steel. Manufacturing process: forging. Product Quality: ISO9001: 2008 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system, pressure pipe special equipment manufacturing license, the State Power Corporation, China National Petroleum Corporation a supply network members. Uses: petroleum pipeline, gas pipeline projects, chemical plants, power plants, shipyards, pharmaceutical, dairy, beer, beverage, water and so on. Packing: fumigation wooden pallets can be according to customer requirements for special packaging.