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Corrosion-Resistant Pressure Pn40 Ductile Dual Coated Jacking Iron Pipe for High-Pressure Pipelines, Find Details and Price about Ductile Iron Jacking Pipe Jacking Pipe from Corrosion-Resistant Pressure Pn40 Ductile Dual Coated Jacking Iron Pipe for High-Pressure Pipelines - SHANXI DATONG CASTING CO., LTD.