... be steel, brass, stainless steel, Aluminium…2) surface treatment:kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Andizing ... 3) producing scope: cnc ,Investment Casting ,metal stamping ,4) usage of products: components for furniture, industry, auto, machine…5) terms ... according to customer's requirement workshop & powder coated department : High precision stainless steel 316 casting