Jiangyin Dongsheng Flange Co., Ltd. Adiresy NO.10 Huangsixiang Road, Zone C, Yunting Industrial Park, Jiangyin City, Jiangsu, PR Sina E-mail jane@jydsflange.com dongsheng@jydsflange.com johnzhou@jydsflange.com Phone Varotra: +86-510-86018217Manohana: +86-15861600558