API 7K Oilfield Oil Well Drilling Mud Pump Spare Parts Rubber Piston Assembly Dongying Zhaoxin Industry and Trade Co, Ltd. After-sales Service:YesWarranty:1 YearManufacturing Process:CastingSurface Treatment:GalvanizedOperation Pressure:Atmospheric PressureMaterial:Alloy Base Info Transport Package:Wooden CaseSpecification:As requestTrademark:ZXOrigin:China Description Overview Product DescriptionProduct ParametersPackaging & Shipping Pre:High Quality Bottom and Top Cementing Plug /API Cement Plug/Drilling Cementing Plug Next:API Oilfield Composite Steel Shale Shaker Screen Replacement Shaker Screen for Well Shelf