... CNC machining MaterialSteel, Zinc, Aluminium, Brass, Copper, Bronze, ADC12, A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, ... , drilling, threading, knurling, turning, drilling, stamping, casting, die castingQC controlIQC Incoming quality control, IPQC In-process ... parts stainless steel machining parts automobile machine part cnc special machining cnc machining eccentric shaft ...