Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Hangzhou Taorui Biotechnology Co., Ltd
TelephoneQQ1259737804 15268198094
Websitehttp://www.torreybio.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81120477 17792793610
Websitehttp://www.dideu.cn
Shandong Hydrocarbon Bio-Chemical Co. LTD
Telephone13060081947 13060081947
Websitehttp://www.lihengpharm.com/
Shanghai Macklin Biochemical Co.,Ltd.
Telephone50706066 15221275939
Websitehttp://www.macklin.cn/