| Address: | Rm 1306, Winful Centre, 30 Shing Yip Street, Kwun Tong, Kowloon, Hong Kong |
| Tel: | 852-3421 0580 |
| Fax: | 852-3421 0583 |
| Email: | cshk@c4.com.hk |
| Address: | No.407, HeDongCun, HengKeng, GuanCheng Community, GuanHu Street, Longhua, Shenzhen, China 518110 |
| Tel: | 86-755-8316 0728 |
| Fax: | 86-755-8316 0467 |
| Email: | cshk@c4.com.hk |
