铜仁墓冠科技股份有限公司

Qualification certificate

Patent certificate

After-sales service

Yancheng Jinggong Valve Co.,Ltd.
Add:No.166 North Tongyu Road Funing County Jiangsu China
Tel:0086-515-87237812（Chairman of the board）
Fax:0515-87237078
Zip:224400
Website:www.tj-nbiot.com
E-mail:xshi@jg-cn.com