... 2.Processsand casting, gravity casting, low-pressure die casting, high-pressure die casting. 3.CertificateISO9001 4.StandardGB1173 5 ... powder coating, anodizing, electroplating, mirror polishing. 8.Service OEM service available. 9.Product all kinds of copper casting( ... , powder coating, anodizing, electroplating, mirror polishing.5. OEM service available.6. Good quality and strict delivery time.