Address: Shop K, G/F.,7A Sai Yeung Choi Lane, Sham Shui Po, Kowloon, Hong Kong.
Tel:+852 2788 0303
Fax:+852 8343 3828
E-mail:douglas@yauyinghk.com or johnathan@yauyinghk.com
Website:www.yauyinghk.com