High Tensile Hot DIP Galvanizing Steel Link Chain Nantong Link Metal Products Co., Ltd. Base Info Model NO.:DIN 763Usage:Drag ChainMaterial:IronSurface Treatment:Zinc Plated,DIP GalvanizedFeature:Fire ResistantChain Size:1,2"*11,128"Structure:Welded ChainColor:Self-Color,Black Description Pre:Inconel 718 Spring Next:ASTM G30 Zinc Plated Chain