Ningbo Robon Sealing Co., Ltd. 주소 NO.76-1, Jindisi, Shangtian Street, Fenghua, Ningbo, Zhejiang, 중국 이메일 info@rb-oring.com tiffany@rb-oring.com 핸드폰 86-15058426890 왓츠앱 8618167212950
