- Kangtsing International Co.,Ltd
- Address:Unit M,12/F.,Kaiser Estate,Phase 3,11 Hok Yuen St.,Hunghom
- Well Health Technology Group
- Address:611 6 / F RICKY CTR 36, CHONG YIP ST, KWUN TONG
- Rolchan Gifts Co., Ltd.
- Address:18 / F. , Sunbeam Plaza, 1155 Canton Road, Kowloon, Hong Kong
- Max-Daniel Co.,Ltd.
- Address:253-261 Hennessy RD
- hengchuang energy company
- Address:NO. 88 Nanjing ROAD
- Kingwater Enviro-Tech HK
- Address:Unit 8 14 / F Blk 1 Tak Lee Ind Centre 8 Tsing Yeung Circuit
- Hotfrost
- Address:Room 709, Wellborne Commercial Centre, 8 Java Road, North Point
- China Euro Manufactures
- Address:31 / F The Centre, 99 Queens Road Central
- Hongkong BLV CO.,Ltd
- Address:CONNAUGHT ROAD WEST
- Hotfrost Ltd
- Address:Suite 18B, 148 Connaught Road Central
- Yat Fung International Engineering Ltd
- Address:Unit 436-437, 4 / F, Yip On Factory Estate, Phase 2, Wang Hoi Road, Kowloon Bay, Kowloon
- Taiyu Water Treatment Science and Technology Co.,Ltd
- Address:No. 10 Zhaoxian Road
- Green Production Ltd
- Address:Room 7, 14 / F, Block A, Vigor Industrial Building
- Water & Design
- Address:188 Des Voeus Road Central, Golden Center, 20th Floor
- Tianjie Water Epuipment Co, Ltd
- Address:24A BOWRING STREET 2 / F YAUMATI KOWLOON HONGKONG
- Water Solutions (Hong Kong) Ltd
- Address:57-59 Parkes Street
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