J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Foshan Treasure Biotechnology Co., Ltd
Telephone0757-85921206 18520245316
Websitehttp://www.fsbn-bio.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Guangzhou Austine Biotechnology Co., LTD
Telephone 17727342298
Websitehttp://www.ost-chem.com/
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0.htm
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone18102736234 18102736234
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