Shanghai Xingui Biotechnology Co., Ltd.
Telephone 15121041756
Websitehttp://www.ansitan.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Nantong QuanYi Biotechnology Co., Ltd
Telephone0513-66337626 18051384581
Websitehttps://www.chemhifuture.com/
https://hanhongsci.com/
Telephone021-54306202 18917919676
Websitehttps://www.hanhongsci.com/