J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559
Websitehttp://www.jwypharmlab.com.cn
Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone025-57027686 17372956142
Websitehttp://www.syntitan.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com