J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
RYSS TECH LTD
Telephone400-188-0725 +86 21 34310725 13611771617
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15256/0_EN.htm
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttps://www.sincopharmachem.net
Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Jiaxing Deyi Chemical Co., Ltd.
Telephone86-0573-85866609 18367600069
Websitehttps://www.chemicalbook.com/supplier/10156672/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418671 +86-189 4982 3763
Websitehttps://www.tnjchem.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Hangzhou Yiyun Guoke Biotechnology Co., Ltd.
Telephone 18457506494
Website