... , Esco, Hyundai, JCB, Bofors, Case,Daewoo,Komatsu,etc2.Quality management system is based on ISO9001:2000.3.Process:Wax ... / Features:Our company has already passed ISO9001-2000 international quality control system. and adopts advanced examintion,manufacturing equipments and ... technology of precision casting to make the products with the impact and hardness.Chemical Composition(%):Carbon - 0. ...