Jiangyin Dongsheng Flange Co., Ltd. Address NO.10 Huangsixiang Road,Zone C, Yunting Industrial Park, Jiangyin City, Jiangsu, P.R. China E-mail jane@jydsflange.com dongsheng@jydsflange.com johnzhou@jydsflange.com Phone Sales: +86-510-86018217 Supports: +86-15861600558