Please note that we have recently removed to the following address, phone numbers, fax numbers and e-mail addresses remain no change.

Y & S (Beijing) Opto-Electro Industries Ltd.
Y & S (Tianjin) Industries Ltd. - Beijing Office
Room 1803, Triumph Center, 170 Bei Yuan Lu, Beijing, 100101 China
Tel: +86 10 84852211
Fax: +86 10 84852233
E-mail: info@ystj.com
www.ystj.com