din763 link chain 1.we are manufacturer 2.material:carbon steel 3.grade: g30 4.automatic machine made din763 link chain with electro galvanized surface 1. material:carbon steel , q195 , q235 , stainless steel2. surface:electric galvanized , hot galvanized , self color are available for your options 3. grade:g30 , g43 , g804. accessory:can be supplied on reels,hook,cut to length or make different ...