J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
SynAsst Chemical.
Telephone021-60343070
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0.htm
Chengdu Firster Pharmaceutical Co., Ltd.
Telephone028-87078428 028-87074958
Websitehttp://www.cdfirster.com
SanoChem (Chengdu) Tech. Co., Ltd.
Telephone28-87999436 02887999436
Websitehttp://www.sano-chem.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Qi Qi hang Biotechnology Co., Ltd.
Telephone 13291169750 18151111370
Websitehttp://www.qihangpharm-tech.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/