... controlled usingcomputerized and automated systems. This guarantees high quality, while providing a high volume of production to suit your needs ... , aluminum, cold rolled steel with various plating; 2) Surface treatment: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); ... Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid; 3) Standard/ specification: OEM service as per ...