1642559-70-3

S.Z. PhyStandard Bio-Tech. Co., Ltd.

Telephone0755-4000505016 13380397412

Websitehttp://www.phystandard.com.cn

LGC Science (Shanghai) Ltd.

Telephone 17717235263

Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492

Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd

Telephone18162595016; 18162595016

Websitehttps://www.chemicalbook.com/supplier/25457231/

Supplier