Headquarters:

Units 1005-07, Level 10

Manulife Provident Funds Place,

345 Nathan Road,

Kowloon,

Hong Kong

Tel: (852) 2527 0330

Fax: (852) 2528 6202

Email: info@quescohk.com

China Branch:

c/o ITE (China) Limited

Rm. 1581 15th Floor

No. 100 Zun Yi Rd.

Shanghai, PRC

Postal Code: 200051

Tel: 86-21-32231468

Fax: 86-21-32231455

Email: info@quescohk.com