State Cheng Pipe Manufacturing Co., Ltd. to quality spiral steel pipe, straight seam steel pipe, seamless steel substrate for the production of anti-corrosion steel pipe coating processing types: 1, oil and gas with three polyethylene (3PE) pipe corrosion. Standard: SY/T0413-2002 \ DIN30670 2, oil and gas with FBE (fusion bonded epoxy powder preservative single), 2FBE (double corrosion FBE) Standard: SY/T0315-97 3, water lines cement mortar lined steel pipe corrosion. Standard: CECS10:. 89 4, the polymer non-toxic water lines IPN8710 pipe corrosion coatings. 5, drinking water supply pipelines epoxy pipe coating equipment within a non-toxic paint. 6, coal tar epoxy glass cloth wrapped pipe corrosion. Standard: SY/T0447-96 7, various types of heavy-duty steel corrosion coatings. 8, heat pipes pipe insulation. (Polyurethane foam insulation layer) corrosion of steel in petroleum, chemical, natural gas, heating, sewage treatment, water, bridges, steel pipes and other engineering fields have wide application.