J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
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
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Qi Qi hang Biotechnology Co., Ltd.
Telephone 13291169750 18151111370
Website
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichemicals.com/