Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Beijing Minruida Technology Co., Ltd.
Telephone010-82387566 18001021521;
Websitehttp://www.mreda.com.cn/
Shanghai Yaji Biological Technology Co., Ltd.
Telephone021-34661275 15301693058
Websitehttp://www.yajimall.com/
