Amatek Scientific Co. Ltd.
Telephone0512-56316828 400-867-5858;400-867-5858
Websitehttp://www.amateksci.com
Aikon International Limited
Telephone025-58859352 13913916777
Websitehttp://www.aikonchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shanghai Huici Pharmaceutical Technology Co., LTD
Telephone133-31922809 19372841038
Websitehttp://www.pharmahuici.com