Qingdao Blue Diamond Industry CO.,LTD 

Address:No.1389 Zhujiang Road Qingdao Economic Development Zone Shandong China.Postal Code:266555

Tel:86-532 86945929

Mail:info@bluediamondindustry.com

ZIBO ZHONGDU INDUSTRY CO.,LTD

Address: No. 159 Zhongrun dadao  Zhangdian District Zibo Shandong China 255035

Tel: +86-532-86945929  

E-mail: anna@bluediamondindustry.com