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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 |
Qualification certificate
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