... Electronic Factory is a Chinese manufacturer specialized in OEM , Casting,Plastic injection, CNC,Stamping . Our company is located in Chang' ... , Tin, Ag); Painting, Powder, Andizing,coating, Silkscreen, Heat treatment, Black anodized; 3) producing scope: cnc ,Investment Casting ,metal stamping ,4 ... requirement workshop & powder coated department : aluminum investment casting part with black anodized