Guangzhou Dongsheng Biotech Co., Ltd
Address：Room 610, Yanqiao Mansion, 89 Yanling Road, 
                Tianhe District, Guangzhou, Guangdong, China.
Post Code: 510507

Tel：+86-20-28983724
Fax：+86-20-87791381  
Website：www.dongshengbio.com  
E-mail：order@dongshengbio.com
              technique@dongshengbio.com