Tianjin Zhengjian Nano-Tech Co., Ltd

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Address: 2808 Dingtai Building, West of The Cross Of Shiyijing Road And Jintang Road, Hedong District, Tianjin, China (Mainland),
Tianjin, Tianjin
China, 300171

Tel: 0086-22-60923307
Fax: 0086-22-24218049