Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
KARMEL TECHNOLOGY (HK) CO.,LIMITED
Telephone +8618795957998
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1620060/0.htm
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Nanjing Puruida Pharmaceutical Technology Co., Ltd.
Telephone 15905142898
Websitehttp://www.prdchem.com/
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com