J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
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
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
ShangHai Biochempartner Co.,Ltd
Telephone177-54423994 17754423994
Websitehttps://www.biochempartner.com
Wellman Pharmaceutical Group Limited
Telephone027-83778875 15807197853
Websitehttps://www.4008081911.com
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Guangzhou Jiuzhi Pharmaceutical Technology Co., Ltd.
Telephone020-89854820
Websitehttp://www.jzpharma.cn
Guangzhou Alice Biotechnology Co., Ltd.
Telephone0898-31318057 13265151549
Websitehttp://www.gzailisisw.com
Nanning Saifir Biotechnology Co., Ltd.
Telephone 18877121284
Websitehttp://www.scifer.cn/
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Hefei fuya biotechnology co. LTD
Telephone 18096409024
Websitehttp://www.purerechem.com
Shenzhen Excellent Biotech Co., Ltd.
Telephone13480692018
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1588779/0.htm
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com