... ;2.special light: small size,little volume,easy move.3.low maintenance cost: no fragile, expensive tubes;4.special security, ... integrated, high reliability assurance;6.simple installation : just connect the power and water, and 10 minutes to complete.;7.easy operation ... pontil, the hardening of surface for high tensile screw, epoxy powder coating for locking nut etc. low price of induction heat machine ...