Contact us
GUANGZHOU HUAN TONG BIOSCIENCE CO.,LTD.
Add: 2/F, Bldg 1, 88 Zhongshan Avenue west , 510630 Guangzhou
P.R China
Tel: 86-20-85687498, 85624468
Fax: 86-20-85688032, 85686945
Post Code: 510630
E-mail: huantongbio@163.com
huantongbio@hotmail.com
http://www.huantong-bio.com/En
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