J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
LABTER PHARMATECH(BEIJING) CO.,LTD
Telephone010-56330744 18310155299
Websitehttp://www.labter.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Bejing Famous Pharmaceutical Technology Co., Ltd.
Telephone 13331045123
Websitehttp://www.peking-pharmacy.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 3674309880
Websitehttps://hanfangpharma@126.com