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Internal sliding type steam insulating pipe with steel jacket, the outer sliding steel sheathed steel steam direct buried insulation pipe, black and yellow jacket insulation pipe, CJ/T114-2000 pipe insulation, CJ/T 115-2001 anti-corrosion insulation pipe and to undertake various pipe insulation engineering. Thermal insulation pipe with a capacity of light, high strength, heat and sound insulation, flame retardant, cold resistance, anti-corrosion, non absorbent, convenient construction and other excellent characteristics, has become the construction, transportation, petroleum, chemical, electric power, cold storage and other industrial sectors insulation, waterproofing, sealing and other indispensable material. Polyurethane insulation pipe used for various indoor and outdoor pipe, heating, cooling, oil, gas and other pipeline, central air conditioning, chemical, pharmaceutical and other industrial pipe insulation, cold preservation engineering. Cangzhou Chengyuan Tube Manufacturing Co., Ltd. welcome the new and old customers to purchase, cooperation and win-win!