... do the following: 1) Coat the surface of stamping parts with PVC, PE powder or PA powder, or make electroplating or ... bolts, nuts) onto the stamping parts or combine rubber parts with the stamping parts by vulcanization or adhesion4. Material: SPCC, SPCD ... , SS400, SPHC, SECC, SGCC5. Packing: carton, with plastic bags and the lining specified by customers, such as foam paper6 ...