Headquarters:
B district, 4th floor,
No.3 Building of Jieneng Garden, No. 391 Wen'er Road,
Hangzhou.Zhejiang Province,China
310012
(86)571－88480428
(86)571-88480423
info@cntopone.com

Sale Department:
(86)571-88480423
(86)571-88480433（Fax）
info@cntopone.com

Beijing Branch:
Room 505 No.6 Building of Zijin Garden, No.68 Wanquanhe Road, Haidian District, Beijing
100086
(86)010-62612674 82658660
(86)010－82658663（Fax）
bj@cntopone.com

Research and Development Department：
(86)571-88480423
(86)571-88480433（Fax）
rd@cntopone.com

Manufacture Department：
(86)571-88480429
(86)571-88480433（Fax）
products@cntopone.com

Human Resources Department：
(86)571-88480423
(86)571-88480433（Fax）
hr@cntopone.com