Head Office :
- GRAND HALO TECHNOLOGY CO., LTD.
- 8F-2, No. 306, Sec. 1, Wen Shin Rd., Taichung, Taiwan
- Tel: 886-4-2323-3871
- Fax: 886-4-2328-5046
- E-mail : goanghan@ms31.hinet.net

Hong Kong Office :
- GRAND HALO OPTO ELECTRONIC INTERNATIONAL(H.K) LTD.
- Workshop D41, 15/F, Block D, Wah Lok Industrial Centre,
- NO. 31-35 Shan Mei Street, Fotan, Hong Kong
- Tel : 852-2690-9605
- Fax: 852-2690-9606
- E-mail: ght@grandhalo.com

China Factory LEDs :
- DONG GUAN GRAND HALO ELECTRONIC CO., LTD.
- Xin Gang Road, Xin An Community, Chang An Town, Dong Guan City,
- Guang Dong, China
- Tel: 86-769-8531-7001
- Fax: 86-769-8531-7005
- E-mail: halo@changan.net
China Factory LED Lighting Solutions :
- DONG GUAN CITY GRAND HALO GREEN LIGHT CO., LTD.
- Mai Yuan Road, Xin An Community, Chang An Town, Dong Guan City,
- Guang Dong, China
- Tel: 86-769-8228-1581 8228-1582
- Fax: 86-769-8228-1583
- E-mail: greenlight@grandhalo.com.cn

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