J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Artis Biotech Co. Ltd.
Telephone0575-18780151478 18582380095
Websitehttp://www.artisbiotech.com/
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Lynnchem
Telephone86-(0)29-85992781 17792393971
Websitehttp://www.lynnchem.com/
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Chengdu Novel Biomedical Co., Ltd.
Telephone028-85255396 18302801538
Websitehttp://www.cd-novel.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Tianjin shijia biomedical technology co., LTD
Telephone 15022261580
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1024389/0.htm
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
cjbscvictory
Telephone13348960310 13348960310
Websitehttp://www.weikeqi-biotech.com/
Manhag Testing Technology Co., Ltd
Telephone020-020-3846236 17688849268
Websitehttp://www.bepurestandards.com/