1. Stamping part with special surface treatment 2. Material: SPCC, SS400, SPHC ... mahinery, construction machinery and household appliances.3. Special surface treatment as a unique characteristic: in addition ... : 1) Coat the surface of stamping parts with PVC, PE powder or PA powder, or ... SPCC, SPCD, SS400, SPHC, SECC, SGCC5. Packing: carton, with plastic bags and the lining specified by customers, such ...