Shanghai Tengyi Chemical Technology Co., Ltd.
Telephone 17602173738
Websitehttp://ttchem.com.cn
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559 13651849907
Websitehttp://www.jwypharmlab.com.cn
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-025-66113011 15955137747
Websitehttp://www.aikonchem.com
Sichuan BoYou Biotechnology Co., Ltd.
Telephone028-65791793 18140026355
Website