Huangchi pipeline equipment Co., Ltd. is a subsidiary of Haihao group. It is a professional design, manufacturing and service enterprise providing high, medium and low pressure pipe fittings and pipeline factory configuration for power, petroleum and chemical industries. Since its establishment, it has provided supporting products for many key projects at home and abroad. The company covers an area of 126000 square meters, a construction area of 76000 square meters, and a total assets of 98 million yuan. The annual output of various pipe fittings is about 20000 tons. There are 260 employees, including 80 with college degree or above, and 26 engineers, economists and accountants. The company's main business scope: 1. Steel pipe series: various materials (carbon steel, stainless steel, alloy steel), seamless steel pipe for various specifications of high, medium and low pressure boilers, seamless steel pipe for oil casing, seamless steel pipe for ships, seamless for conveying fluid Seamless steel tubes for steel pipes and petroleum cracking, seamless steel tubes for fertilizer equipment, seamless steel tubes for structural use, and seamless steel tubes for hollow drawing rods. Double-sided submerged arc welded spiral steel pipe, double-sided submerged arc welded straight seam steel pipe. Oil/gas pipelines, etc. 2.Pipe fittings series: (elbows, elbows, flanges, tees, crosses, size heads, heads, sockets, gutters, hangers) and other ancillary products and pipelines, pipe fittings, anti-corrosion, insulation, etc. . The products of the outer diameters 1/4'' to 94'', wall thickness SCH30, SCH40, SCH80, SCH160, etc. can be produced according to GB, ASTM, API5L, DIN, JIS and other standards. The company's products are widely used in: power, petrochemical, natural gas, nuclear power, mining, shipbuilding, smelting, heat and other industries. And exported to Russia, Central Asia, the Middle East, Southeast Asia and other parts of the world, providing more than 50,000