Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone025-57027686 17372956142
Websitehttp://www.syntitan.com
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/