J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-58362220 15250997978
Websitehttp://www.njxizebio.com
Shanghai Xiang Xin Industrial Co., Ltd.
Telephone021-50211651 13651607026
Websitehttp://www.xxgmpharm.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Sichuan jiayinglai technology CO.,LTD
Telephone028-028-64159575 13096309087
Websitehttp://www.jiayinglai.com/
Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.
Telephone0531-58897130 15508676053
Websitehttp://www.sdcclh.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 17825480238
Websitehttp://www.dmstandards.com
Hubei Moco Chemical Co., Ltd.
Telephone 18627756402
Websitehttp://www.molcoo.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-400-8210725 4008210725
Websitehttps://www.leyan.com/
Shenzhen Hengfeng Wanda Pharmaceutical Technology Co., Ltd
Telephone755-22677922-801 18126518403
Websitehttps://www.hdimpurity.com/egoods&serv=16
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
