... workpieces prolong the service.Low cost and no waste. Jewellery PVD coating machine integrated three technology of DC magnetron sputtering, middle frequency sputtering ... clocks, IPS watches and clocks, guns IP, mobile phone shell, hardware, sanitary ware, cutters, anti-friction tools, dies and mould, etc ... unit and electric controlling system according to your requirement. Jewellery PVD coating machine