Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com
ShenZhen H&D Pharmaceutical Technology Co., LTD
Telephone 18126517264
Websitehttps://www.hdimpurity.com/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com.cn/