J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
Mashilabs (Shanghai) Co.,Ltd.
Telephone 19916721580
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16374/0.htm
Aikon International Limited
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Henan Pumei Jihua Pharmaceutical Technology Co., Ltd.
Telephone037188900765 18037465274
Websitehttp://www.pumeijihua.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/