J & K SCIENTIFIC LTD.
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Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
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Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Websitehttps://www.rrkchem.com
LangFangshi Zekang Pharma Tech CO.,Itd.
Telephone0316-2883536 19333636468
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1466071/0.htm
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
