- Geefer Marketing Limited
- Address:1 Chun Pin Street
- Growstar
- Address:75 Chatham Road South, Tsimshatsui, Kowloon
- Done Luen Enterprises Ltd.
- Address:Unit 1108, 11 / F, New Tech Plaza, 34 Tai Yau Street, San Po Kong, Kowloon, Hong Kong, P. R. C.
- Hongkong Yuanchen Int'l Holding Co.,Limited.
- Address:Room 1005, Wang Ye Bldg. , 60-64 Des Voeux Road West, Sheung Wan
- Tung Shun International (Hong Kong) Industrial Company
- Address:Wang Kwong Road
- N.D Internation Co.,Ltd
- Address:No. 225 Cheung Sha Wan Rd. , Kowloon
- Changyuan Tech. Co., Ltd
- Address:Unit 1502, Tower 5, Unit 1501-02a,33 Canton Road, Kowloon, Hong Kong
- SUZHOU DONGHAI FILTRATION EQUIPMENT MACHINE CO.,LTD
- Address:No. 555 east zhenxin road
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