- Ngai Long Technology Company
- Computer perhiperal, Solar Power, UPS.
- Address:RM2818, PANG CHING COURT, CHUK YUEN KOWLLON,
- Evergreen Energy Solutions Limited
- Inverter-Chargers,UPS,Energy Saving Lighting,LED Lighting,Voltage Protectors,Energy Back Up,LED Lighting,Solar Systems,Power Quality,HID Resonant Ballast.
- Address:19 Luard Road, Henan Buliding, 9th Floor
- Reid Security Company
- Video Door Phone,Surveillance Equipment,Uninterrupted Power Supply (UPS),Downlights,Locks.
- Address:454, Seuiva Rd
- Aoku Electronics Co.,Ltd
- Uninterrupt Power System,Solar cell,Solar battery,Solar Panel,Battery,Battery,UPS,Solar Panel.
- Address:11 / F. , Front Block, Hang Lok Building, 130 Wing Lok St. , Sheung Wan