Jiangyin Dongsheng 플랜지 Co., Ltd. 주소 NO.10 Huangsixiang Road,Zone C, Yunting Industrial Park, Jiangyin City, Jiangsu, PR China 이메일 jane@jydsflange.com dongsheng@jydsflange.com johnzhou@jydsflange.com 핸드폰 영업: +86-510-86018217지원: +86-15861600558