SanLi Tun, Dong 6 Jie 1, 100600  Beijing – People’s Republic of China
Tel. (+86 10) 6532-3516, 6532-1693, 6532-5413, 6532-3246, 6532-2117
Tel.(chinese): 6532-1562
Fax: (+86 10 ) 6532-1207
e-mail: yuamba@public.bta.net.cn
             ambjug@netchina.com.cn