Tel：+86-10-81197003
Web：en.meizhengbio.com
Zip：102101
Mail：sales@meizhenggroup.com
Add：No. 2 Building, No. 8 Courtyard, Fenggusilu Road, Yanqing District, (Zhongguancun Yanqing Science Park), Beijing, China
Tel：+86-63-36117666
Zip：276800
Add： No. 69 Zhaoyang North Road, High-tech Zone, Rizhao, Shandong Province. P.R. China.
