Beijing Yisiyan Technology Research Center
Telephone010-56645598 13366904824;
Websitehttp://www.bjkaida.cn
SynAsst Chemical.
Telephone021-60343070
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0_EN.htm
TOSUN PHARM
Telephone020-66392521-118 18922260391
Websitehttp://www.toref.cn/
Hefei Hangang Pharmaceutical Technology Co., Ltd.
Telephone +8618062405514
Websitehttp://www.ipurechemical.com
Bide Pharmatech Ltd.
Telephone400-6005915
Websitehttps://www.picasso-e.com/
Aikon International Limited
Telephone 17714375163
Websitehttp://www.aikonchem.com
Guangzhou Austine Biotechnology Co., LTD
Telephone15918640830 13268843209
Website
Henan Dobe Chemical Co. , Ltd.
Telephone0370-6999054 17550096163
Websitehttp://www.duobeichem.com
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Beijing FYF Chemicals Co., Ltd
Telephone010-57903446 15869909019
Websitehttp://www.fyfchem.com/
Shanghai Macklin Biochemical Co.,Ltd.
Telephone50706066 15221275939
Websitehttp://www.macklin.cn/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
Guangzhou Tosun Pharmaceutical Limited
Telephone+86-18124244216 +86-18124244216
Websitehttp://toref-standards.com