Stamping die 1.Specification:Diameter12mm-400mm 2.Material: Bao Steel ,Silicon Steel 3.Used for all electrical product Stamping dieDongguan Yuncheng Metal plastic Product Co.,Ltd.Tacking market as its guidance,specialize in producing automobile parts stamping,lamination cores stamping,etc,especially in production of Motor sheel,HardwareFitting of Eccentric Wheel Series and processing of Precision ...