... .Strict operation control 5.CNC 1. Name: Die stamping parts 2. Supply the kind of all OEM sheet metal parts, such as the door ... hinge, computer assist parts, auto motor parts, machiner parts, box, etc. 3. Meterial: Steel ... , etc. 4. Surface treated, such as paint, coated, etc. 5. High quality control, no bur and scratch on surface and trimming edge.