Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Hangzhou Taorui Biotechnology Co., Ltd
TelephoneQQ1259737804 15268198094
Websitehttp://www.torreybio.com/
Shenzhen Qingtian Biotechnology Co, Ltd.
Telephone18823167005 18162969855
Website
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com