Shenzhen Jianyi Biotechnology Co., Ltd
Telephone0755-84826604
Websitehttp://www.jeanchemical.com
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD
Telephone0755-83725350 13380397412
Websitehttps://www.sincopharmachem.net
Henan Kehong Biological Technology Co. LTD
Telephone0371-55969461 18638736641
Websitehttps://www.kehobio.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
Hangzhou Yiyun Guoke Biotechnology Co., Ltd.
Telephone 18457506494
Website