Best Aluminum cnc Machining Service 1. Best surface treatment 2. Good performance 3. ... PVD/PCD coating, polishing, ultrasonic wave cleaning, passivate,etc. Inspection CMM, mechanical property tester, RoHs tester, projecting apparatus, roughness ... paid after inspected and before shipment. Service Providing production design, production and technical service, mould development and processing etc. High ...