OEM stamping parts and high precision punching parts High quality with competitive price Timely delivery OEM service ... red copper ,brass , bronze and so on2. Process:stamping , deep drawing , spot , seamless or TIG welding , spinning .3.Finish treatment : ... Equipment : laser machines , cnc punch machiens .bending machines , welding machines and so on5. Certificate :ISO9001-20086 .We can make drawings ...