... frequency power supplyworking methodsplc semi-auto control or pc+plc auto controlworking gasAr N2 O2C2H2total power30KW35KW45KW50KWcompress air0.4~0. ... memebrane devices, mainly used in the coating of smooth high-quality diamond films2.various special color of decorative coatings,(not only ... aluminium,copper,and so on the metal film, but also plating SIO2,SI3N4,AI203,Sn02,ZnO,Ta205,TI02 film, etc.) ...