- Union Gas Mantle Factory, Hong Kong Office
Room 2303 Office Tower, Convention Plaza, 1 Harbour Road, Wanchai, Hong Kong
Tel : (852) 25600486
- Wgs Gas Springs Inc.
No. 20, On Lai St. , Siu Lek Yuen, Shatin, N. T., Hong Kong
Tel : (852) 24851279
- Calley Rich Petroleum Ltd
15B Station Lane, Hung Hom
Tel : (852) 2365 7668
- Sze Wo Chaan Gas Company Limited
112 Chun Yeung St, North Point
Tel : (852) 2382 8431
- Hong Kong And China Gas Company Limited The
363 Java Road, North Point
Tel : (852) 2963 3388
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