Ningbo Rock Metal Product Co., Ltd. Add: Ruyi Golden River-view Road No.154, Changfeng Industry Zone, Yinzhou District,          Ningbo 315192 China   Tel: 0086-574-88210948 Fax: 0086-574-88210848 Email: Info@rockmetalproduct.com   (Sales Manager)              Sale@rockmetalproduct.com   (Market)              Support@rockmetalproduct.com  (Technical Support)