Tianjin Jinyuda Chemical Co., Ltd.
Telephone022-58013646 13011382049
Websitehttp://www.jinyudachem.com
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559
Websitehttp://www.jwypharmlab.com.cn
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Huanuo Pharmaceutical Technology (Guangxi) Co., Ltd
Telephone 13005928603
Websitehttp://www.huanuoyy.com/