Vacuum multi arc ion coating machine is a hightech environmental friendly product for metal, glass and surface coating. After coating by this machine can improve the workpieces' hardness, wear resistance, corrosion resistance etc.. Application industry including the watch industry (strap, case, dial), glass ceramic industry (glass tableware, ceramic crafts), hardware industry (sanitary ware, door knobs, locks), architecture industry (stainless steel plate, stair railings, columns), precision mold industry (standard punch mold, forming mold), tools industry (drill bits, carbide cutters, broaches, shaving heads), automotive industry (piston, piston rings, alloy wheels) as well as pens and glasses etc.. The film makes the product's surface more beautiful and wearable.