J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Huikai Chemical Technology Co., Ltd.
Telephone021-61995394 18916691159
Websitehttp://www.chemicalsea.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Websitehttps://www.rrkchem.com
Hangzhou Jinghao Biotechnology Co., LTD
Telephone17513242016
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1421058/0_EN.htm
Hu' nan Yunbang Pharmaceutical Co., Ltd.
Telephone0731-88532326 13319508186
Websitehttp://www.yunbangapi.com
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Watson Biotechnology Co.,Ltd
Telephone +86-18186686046
Websitehttps://www.chemicalbook.com/manufacturer/cnwhwatson/