Guangzhou Austine Biotechnology Co., LTD
Telephone15918640830 13268843209
Website
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
Shanghai Tachizaki Biomedical Research Center
Telephone 18014399201
Websitehttp://www.chemlab-tachizaki.com/
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com.cn/
Guangzhou Tosun Pharmaceutical Limited
Telephone+86-18124244216 +86-18124244216
Websitehttp://toref-standards.com