HONG HENG REFRIGERATORS & AIR- CONDITION

This sub-class includes the manufacture, repair and/or maintenance of switchgear and/or switchboard apparatus. The electrical equipment manufactured in this class is for distribution level voltages. This sub-class includes the manufacture, repair and/or maintenance of: - power circuit breakers - surge suppressors (for distribution level voltage) - control panels for electric power distribution - electrical relays - duct for electrical switchboard apparatus - electric fuses - power switching equipment - electric power switches (except pushbutton, snap, solenoid, tumbler) - transmission and/or distribution voltage regulators