... ,Forging ,have forging,costing and heating treatment workshops AnShan Ying Yat Trade Co., Ltd and AnShan HongMing Metallurgical Machinery Co., ... subsidiary divisions consist of forging, casting, heat treatment, machining, and structural rivet welding in our company. We can ... In this case, quenching, annealing, tempering, hardening and tempering, heat treatment etc. can be fulfilled here. We can also ...