Artis Biotech Co. Ltd.
Telephone18108108965 18108108965
Websitehttps://artis-isotopes.com
Shenzhen Jianyi Biotechnology Co., Ltd
Telephone0755-84826604
Websitehttp://www.jeanchemical.com
Huaihua Yuanyanda Biotechnology Co., Ltd
Telephone 18711085600
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1118979/0_EN.htm
Shenzhen Excellent Biomedical Technology Co., Ltd.
Telephone26050679 18318671572
Websitehttps://www.ex-biotech.com/
Huaihua Yuanyanda Biotechnology Co., Ltd
Telephone18711085600; 18229999901
Website
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/