J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Nanjing Norris-Pharm Technology Co., Ltd
Telephone 13901585132
Website
Shanghai Jian Chao Chemical Technology Co., Ltd.
Telephone18017383231 18017383231
Websitehttp://www.antaeus-e.com/
ShangHai Siyan Biological Technology Co., Ltd.
Telephone021-50908862，442785678，326799392 18721037013
Websitehttp://www.siyanbio-tec.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Anhui Yongsheng Pharmaceutical Technology Co., Ltd.
Telephone021-50430803 18016036736
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31232/0.htm
Nanjing Meihao Pharmaceutical Technology Co., Ltd.
Telephonemeitaochem@126.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31244/0.htm
Hubei Ipure Biology Co., Ltd
Telephone +8613367258412
Websitehttp://www.ipurechemical.com
Nanjing Pope Bio-tech R&D Co., Ltd
Telephone18951783565 18951783565
Websitehttp://www.popebiotech.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
Anhui Yongsheng Pharmaceutical Technology Co., Ltd
Telephone 18017383231
Websitehttp://www.yongsheng-pharma.com
Shanghai Jianchao Biotechnology Co., LTD
Telephone13621743886 13621743886
Websitehttp://ats-mall.com/
