Shandong WorldSun Biological Technology Co., Ltd.
Telephone0531-88723173 18596073690
Websitehttps://www.worldsun-chem.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone13500006345; 13500006345
Website
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone 15787879035
Website