Concrete Pump Spare Parts, Concrete Pump Parts,
CANGZHOU HAOLONG CONSTRUCTION MACHINERY CO.,LTD Haolong company is professional for the concrete pump pipes and parts.Our company is located in Boerzhuang Industry Zone, Mengcun County, Hebei Province. MAIN PRODUCTS: PUMP PIPE AND PARTS: Twin wall pipe and elbow, Harden pipe and casting elbow,ST52 seamless pipe and weld bend, pump reducer,rubber hose and …
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