Forging and Machining for Auto Industry Ningbo Kehang Mining Rock Support Technology Co., Ltd. Base Info Zinc Coating:Sliver WhiteSurface Preparation:Zinc Plate PolishingMaterial:AlloyModel NO.:3.2kgTrademark:KEHNGSpecification:3.2kgOrigin:China Description Pre:Universal Straight Coupling, Stainless Steel Body, A4 Bolts Next:En124 D400 Cast Iron Manhole Covers