1. Stamping part with special surface treatment 2. Material: SPCC, SS400 ... mahinery, construction machinery and household appliances.3. Special surface treatment as a unique characteristic: in ... onto the stamping parts or combine rubber parts with the stamping parts by vulcanization or adhesion4. ... SS400, SPHC, SECC, SGCC5. Packing: carton, with plastic bags and the lining specified by customers, such ...