Address: NO.7 Dujiakan Lugouqiao Fengtai District, Beijing(100072)
Tel: 010-83871427
Fax: 010-83881004
Factory Add: No.3 Yangqiao Dongli, Yongdingmen Wai, Fengtai District, Beijing(100077)
E-mail: cheungyh@public3.bta.net.cn