a. 5-500T stamping machines, punch machine, bending machine, drilling machine, polishing machine, milling machine. b.We can do t a. Through ISO9001b. 5-500T stamping machines, punch machine, bending machine, drilling machine, polishing machine, milling machine.c. We can do testing of hardness, salt spray test, coating and so on.SPECIFICATION:MATERIAL: LOW CARBON STEEL, C1045, AND OTHER MATERIAL ...