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
Nanjing Norris-Pharm Technology Co., Ltd
Telephone 13901585132
Website
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
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
Shanghai Akasaka Biotechnology Co., Ltd.
Telephone15121162054
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31055/0.htm
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD
Telephone0755-0755-0755-83725350 13380397412
Websitehttp://www.sincopharmachem.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
Sichuan Lanli Pharmaceutical Co., Ltd.
Telephone028-61186658 15881182642
Websitehttp://www.lanlipharmtech.com
Changzhou Xianglong Pharmaceutical Technology Co., LTD
Telephone 18661161657
Websitehttp://www.xianglongpharm.com/
Nanjing Norris-Pharm Technology Co., Ltd
Telephone 13901585132
Website
Wuhan Jingkangen Biomedical Technology Co., Ltd
Telephone13720134139 13720134139
Websitehttps://www.jknbiochem.com
