Sichuan Neijiang Epoxy Resin External Polyethylene Coated Composite Steel Pipe for Sewage and Water Treatment Plant Drainage, cost-effective with customizable colors. Sichuan Shudi Pipe Industry Co., Ltd. is a company specializing in coated steel pipes. Main products: plastic-coated firefighting steel pipes, plastic-coated water supply steel pipes, large-diameter plastic-coated steel pipes, three-oil two-cloth anti-corrosion steel pipes, epoxy resin coated steel pipes, internal epoxy external polyethylene coated steel pipes, IPN8710 anti-corrosion steel pipes, and other steel-plastic pipelines. Inquiries are welcome.