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| Tel | 2508 0998 |
|---|---|
| Fax | 2508 0121 |
| info@dsj.com.hk | |
| Website | http://www.dsj.com.hk |
| Address | Unit H1, 1/F, Kaiser Estate Phase 2, 51 Man Yue Street, Hunghom, Kowloon, Hong Kong |
| Contact Person | Dr. Shih Ching Hsien |
| Title | Chairman |
