... ,high quality high power rectifiers for coal mining machinery Product usageSuitable for plating hydrocylinder, mold, plate making, coal mining machinery, roller, screw, piston ... after spray craft processing, it has attractive appearance, The machine with the design of alkali and acid proof, the ... stability≤1%Ripple factor 1%-3%Cooling ModeForced air cooled or Water cooled or Oil cooledwater quality ...