- Propagation Systems Limited
- Address:Flat C, 5th Floor, Man Foong Ind. Building, 7 Cheung Lee Street, Chai Wan
- Watts Clever (International) Limited
- Address:1407, 14th Floor, New Victory House, 93-103 Wing Lok Street, Sheung Wan, Hong Kong
- Ylcode Technology Co.ltd
- Address:4 m / f, HuaQi international building
- Electric Development Limited
- Address:Jervois Street
- Ekon Home Inc.
- Address:kolon
- Isincon Electric Technology (Shanghai) Co., Ltd
- Address:#416, block 1, 2588 Jinhai Road, Pudong Shanghai 201209, China
- HUAQI IMPORT AND EXPORT CO, LTD
- Address:YEN PING N. RD
- Advanced Timer Technologies
- Address:UNIT 06, 17 / F. , METRO CENTRE 1, 32 LAM HING STREET, KOWLOON BAY, KOWLOON, HONG KONG.
- EMERALD ELECTRIC LTD
- Address:25S, ONE MIDTOWN, 11 HOI SHING ROAD
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