J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Jinan blalong chemical co. LTD
Telephone 2710913286@qq.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0_EN.htm
Jinan ponder chemical co. LTD
Telephone0531-0000
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList546697/0_EN.htm
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/