Registered Address (HQ):
Address1: 301, Block A, Yongjie North Road, Haidian District, Beijing, China, 100094
Address2: Building 16, No.8, Heying Road, Nanshao Town, Changping District, Beijing, China, 102200
Tel: 86-10-62961177 (International Department)
Fax: 86-10-82899881
Email: david@gwtt.com Please send to this mail to contact us.