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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.jg-cn.com E-mail:xshi@jg-cn.com | Patent certificate Home > Serivce > Patent certificate |