Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 18689416704
Websitehttp://www.dmstandards.com/
Chemsigma International Co., Ltd.
Telephone02558748998 18951874644
Websitehttp://chemsigma.com
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com
Henan Vcommend Consultrading Co., Ltd.
Telephone 13393721940
Websitehttp://www.vcommend.com/
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com.cn/
Suzhou ARTK Medchem Co., Ltd.
Telephone +8618118463618
Website
Chemsigma International Co., Ltd.
Telephone+86-2558742998 +86-19951791336
Websitehttp://chemsigma.com/