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河北防腐保温无缝钢管生产厂家

Large caliber lined cement mortar outer epoxy coal pitch anti-corrosion steel pipe municipal drainage hanging mesh type spiral steel pipe
USD 18.96
Spot inside and outside plastic coated steel pipe DN65 100 200 175 fire water supply prefabricated direct buried seamless composite pipe
USD 25.44
3pe anti-corrosion insulated steel pipe large-diameter direct sales of petroleum gas tap water drainage buried seamless spiral water pipe
USD 21.90
3PE anti-corrosion insulated steel pipe reinforced grade large diameter dn150 100 200 seamless polyethylene natural gas pipeline
USD 20.13
Inner and outer plastic-coated composite steel pipe prefabricated direct buried DN400 flange connection industrial drainage anti-corrosion seamless pipe
USD 20.13
3pe anti-corrosion insulation seamless spiral steel pipe reinforced grade large-diameter polyethylene three-layer oil transmission pipeline
USD 23.67
Plastic-coated steel pipe DN100 200 600 large and small diameter flange connection socket-type internal and external plastic-coated fire pipe
USD 14.54
Polyurethane insulation steel pipe DN100 underground polyurethane foam insulation steel pipe dn400 insulation pipe for heating
USD 6.58
Steel Sheet Steel Steam Insulated Steel Pipe Thermal Heating Foam DN150 200 Prefabricated Direct Buried Seamless Spiral Steel Pipe
USD 12.77
Epoxy coal pitch anti-corrosion steel pipe welded large diameter DN200 300 thick wall underground anti-corrosion seamless pipe
USD 12.77
Composite plastic coated steel pipe drinking water socket anti-corrosion DN600 800 1000 prefabricated straight buried seamless pipe for mining
USD 20.43
Polyurethane Insulated Steel Pipe Straight Buried Black Jacket Large Diameter DN150 600 800 Heating Heating Foam Tube
USD 15.71
Steel Sheet Steel Steam Insulated Steel Pipe Large Diameter Thermal Thick Wall Heating Foam Internal Sliding Prefabricated Insulated Pipe
USD 18.66
Internal and external plastic-coated steel pipe DN100 200 600 fire water supply drinking water prefabricated direct buried seamless composite pipe
USD 21.61