- Tat Wing International Industrial Co., Ltd.
- Address:No.76 Pui To Road, Tuen Mun Ind. Centre, Hong Kong, Hong Kong
- TSI Manufacturing LLC Limited
- Address:5C Surson Comm. Bldg,, 140-142 Austin Road, TST, Kowloon, Hong Kong SAR, Hong Kong
- MAXTEC (CHINA) LIMITED
- Address:WAI YIP STREET, KWUN TONG, Hong Kong
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