... copper, nickel, tin, zinc, decorative chrome, hard chrome, electroforming and other metal surfacetreatment. Technical Parameters Input voltage380V AC(Three-phase ... range -10 °C ~ 40 °C,Less than 90% humidity.Product features1.The frame type structure, after spray craft processing, it ... attractive appearance, The machine with the design of alkali and acid proof, the master control board is isolated. 2 ...