- NSP Enterprises Co., Ltd
- Address:17 / F Ricky Ctr 36 Chong Yip St Kwun Tong Kowloon
- HONGKONG GC INDUSTRY LTD
- Address:21st Floor, New World Tower 1, 18 Queen's Road Central
- Union Transportation Equipment Co., Ltd
- Address:Flat C, 18 / F, Marvel Ind. Building, 25-31 Kwai Fung Crescent, Kwai Chung, N. T. , Hong Kong
- Qingdao Kaineng Imp.& Exp. Co., Ltd.
- Address:No.6 Hong Kong Middle Road, QIngdao,China
- Wah Fai Transportation Supplies Ltd
- Address:Flat A-B, 14/F, Block A, Marvel Ind. Building, 25-31 Kwai Fung Crescent, Kwai Chung, N.T.
- Tigerspring Industrial & Trade Co., Limited
- Address:Room E, 6 / F. , Block 2, Kin Ho Industrial Building, 14-24 Au Pui Wan Street, Fo Tan, N. T.
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