J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Sichuan BaiPeng Biotechnology Co., Ltd.
Telephone028-65791793 18140026355
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList20202/0.htm
Suzhou bayaoke Biotechnology Co., Ltd
Telephone 18626188356
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Huansheng Meisen Pharmaceutical Technology (Shandong) Co., Ltd
Telephone0531-88762217 18301471076
Websitehttp://www.acespharma.com//0.htm
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn