J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
TCI (Shanghai) Development Co., Ltd.
Telephone021-67121386
Websitehttps://www.tcichemicals.com/CN/zh/
Hunan Hui Bai Shi Biotechnology Co., Ltd.
Telephone0731-85526065 13308475853
Websitehttp://www.hnhbsj.com/
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Guangzhou Jhd Chemical Reagent Co., Ltd.
Telephone020-84383047
Websitehttp://www.jhd.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shanghai Boer Chemical Reagent Co., LTD
Telephone 19102157732
Websitehttp://www.boerzg.com/
Shangqiu Ladybug Network Technology Co., LTD
Telephone0370-2059268 17530790913
Websitehttp://www.tianhuamedicine.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/