Beijing HuaMeiHuLiBiological Chemical
Telephone010-56205725
Websitehttp://www.huabeibiochem.com/
Hebei Zhenjia new material Co., LTD
Telephone0319-5925599 13315915972
Websitehttp://china2699.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn
Shandong Hydrocarbon Bio-Chemical Co. LTD
Telephone15552573001 15865262812
Websitehttp://www.lihengpharm.com/
Hu Bei Jiutian Bio-medical Technology CO.,Ltd
Telephone027-88013699 17354350817
Websitewww.jiutian-bio.com