Wah Hing has emphasized on the R&D and manufacture of PCBA, Switching Power Supply, Transformers&Reactors.

Our Products are widely utilized on audio and video products, electrical appliances, toys, IT products, medical test equipment.

Energy storage system, solar energy inverters, wind energy converters, railway auxiliary power system, power distribution system.

VFD system, UPS uninterruptible power system, EPS emergency power system, electric vehicle charging, etc.