... as embossing. If the tensile steel, pipe, smashed head, wire, heating wire nail, stainless steel products, annealing, stretching, rose type. 2 ... rising the type .2.the heat treatment ( Chang to High frequency first) Various hardware tool, electricity-moves components, liquid- ... cam. chain belt gears etc. and large machine beds lead the orbit with the cast-iron the Quenching Ductile Iron.domestic ...