... finishes avaliable1. Material Available: Copper, Brass, Aluminum, Stainless Steel, Steel alloy, etc.(Material to process: aluminum, stainless steel, carbon steel, brass ... )2. Specification: OEM, according to customers' drawing or sample.3. Precision: +/-0.003mm4. Processing: turning, milling, drilling etc.5. Certification: ... us by email, telephone or any other business way. Precision Metal Component