Hebei Yanjiu Pipeline Co., Ltd. is registered at Puwahu Industrial Zone, Yanshan Economic Development Zone, Yanshan County, Hebei Province. The registration authority is the Yanshan County Market Supervision Administration Bureau. The legal representative is Li Ranyan. The company's business scope includes the sale of spiral steel pipes, straight seam steel pipes, seamless steel pipes, polyurethane insulated pipes, 3PE anti-corrosion steel pipes, TPEP anti-corrosion steel pipes, epoxy powder coated steel pipes, plastic-coated steel pipes for water supply and drainage, cylinder sleeve steel steam insulated pipes, fire-resistant plastic-coated steel pipes, plastic-coated steel pipes for coal mine shafts, pipeline pipes, etc.Alloy pipes, stainless steel pipes, pipe fittings, corrosion and thermal insulation materials. (As required by laws and regulations, the company's business operation is subject to approval.)