Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; 19817745290
Websitehttp://www.blocksynth.com/
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shijiazhuang Ruitian Biochemical Co. Ltd
Telephone 15831127780
Websitehttps://www.rtsh.cn
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/