... or two intermediate frequency power supplyworking methodsplc semi-auto control or pc+plc auto controlworking gasAr N2 O2C2H2total power30KW35KW45KW50KWcompress ... memebrane devices, mainly used in the coating of smooth high-quality diamond films2.various special color of decorative coatings,(not ... zirconium,gold,silver,aluminium,copper,and so on the metal film, but also plating SIO2,SI3N4,AI203,Sn02,ZnO ...