J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Greenherbs Science and Technology Development Co., Ltd.
Telephone010-61136123
Websitehttp://www.greenherbs.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website