... -UHMW etc) ♦ Aluminum (different grade),metal,brass ,copper3.surface treatment for prototypes painting,anodizing,electroplating,brushed,sandblasting,printing, ... , car lamp/light, car dashboard, car body part, auto metal parts , auto parts, motocycle parts ♦ Electronics appliances, like Enclosure ... on the size and material of the products .For products with special surface treatment,like painting,silk- ...