Beijing DWS Technology Co.,Ltd.
add：Room 401, Building 1, No.A6, ChaoWai Street, ChaoYang District, Beijing, China pc：100020
tel：+8610-56242195
fax ：+8610-80115555-512049
E-mail：beijing@dws-tech.com
Hong Kong Office:
add:Room 2209, 22/F, Wu Chung House, 213 Queens Road East Wan Chai, Hong Kong
tel:+852-39737590
fax:+852-30113810
Shanghai Office:
add:301room-3/F 115 jiangxi middle Road,shanghai, pc:200002
tel:+8621-63215482
fax:+8621-63294252
Guangzhou Office:
add:room 801,Bdg.G11,Heng Jing St.#30 Haizhu Distric,Guangzhou,PC:510290
tel:+8620-22058360
fax:+8620-22058360