1. Stamping part with special surface treatment 2. Material: SPCC, SS400, ... following: 1) Coat the surface of stamping parts with PVC, PE powder or PA powder, or ... nuts) onto the stamping parts or combine rubber parts with the stamping parts by vulcanization or adhesion4. Material: ... , SS400, SPHC, SECC, SGCC5. Packing: carton, with plastic bags and the lining specified by customers, such as foam paper6 ...