J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Heze Aiding Pharmaceutical Co., Ltd
Telephone 17661365138
Websitehttps://www.tianyancha.com/company/6687163515
Jining Yize Pharmaceutical Technology Co., Ltd
Telephone15192473210 15192473210
Website