TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Henan Tianfu Chemical Co.,Ltd.
Telephone+86-0371-55170693 +86-19937530512
Websitehttps://www.tianfuchem.com/
Dorne Chemical Technology co. LTD
Telephone+86-86-13583358881 +8618560316533
Websitehttps://www.chemicalbook.com/manufacturer/zibo-dorne-chemical-technology-403/
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichem.com/
