... high quality high power rectifiers for coal mining machinery Product usageSuitable for plating hydrocylinder, mold, plate making, coal mining machinery, roller, screw, ... is good;6.The device of frame type structure , after spray craft processing, it has attractive appearance, The machine with ... cooledwater quality Deionized water or Running water,PH:7~8 Water pressure:0.1~0.25MP, temperature:5-35 ...