Beijing
Phone: +86 134 2625 0422
Email: wanglu@wljyi.com
Add: 27 Jinma 1st Street, Shunyi District, Beijing
Henan
Phone: +86 153 2113 9951
Email: shy@otoing.com
Add: No. 18 Lingbo Road, High tech Development Zone, Jianxi District, Luoyang City. Henan
Shenzhen
Phone: +86 186 0041 3591
Email: wangjianping@otoing.com
Add: 101 Zhenxing Road, Huahang Community, Huaqiangbei Street, Futian District, Shenzhen