Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Xi'an Ruipuyuan Biotechnology Co., Ltd
Telephone029-18909235869 18909235890
Websitehttp://www.rpybiotech.com
RD International Technology Co., Limited
Telephone 18024082417
Websitehttps://www.ruidiresearch.com