Jiangyin Dongsheng Flange Co., Ltd. Address NO.10 Huangsixiang Road,Zone C, Yunting Industrial Park, Jiangyin City, Jiangsu, PR China E-mail jane@jydsflange.com dongsheng@jydsflange.com johnzhou@jydsflange.com Telepono Mga Benta: +86-510-86018217Mga Suporta: +86-15861600558