cnc machined parts: 1)ISO9001 Quality Certification. 2)Material:copper,carbon steel,aluminum,stainless steel,etc. Your ... OEM service? YesHow to process? According to the customers'drawings and requirements.What is the scope of material? Carbon steel,aluminum,stainless steel,copper,etc ... factory,not trading company.Contact with us could help you save cost,as we could quote the best FOB prce for your ...