China Socket Fittings | #http://www.tianyisunspipe..

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China Socket Fittings | #http://www.tianyisunspipeline.....com/ductile-iron-pip

China Socket Fittings

China Socket Fittings

China Socket Fittings DI Socket Fittings with K-type Joint Coating: InternalPortland cement mortar lining Sulphate Resistant cement mortar lining High-Aluminum cement mortar lining Fusion bonded epoxy coating Liquid epoxy painting Black bitumen painting ExternalZinc(130g/銕?+bitumen(70mic

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