Small Metal Stamping Parts 1. Stamping part with special surface treatment 2. Material: SPCC, SS400, SPHC, etc. 3. Used in ca Small Metal Stamping Parts1. Stamping part with special surface treatment2. Material: SPCC, SS400, SPHC, etc.3. Used in cars, agricultural machinery 1. Name: stamping part of cars, of more than one thousand models2. Application: used in cars, agricultural mahinery, ...