Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
shanghai Yanfeng biochemical technology Co.,LTD
Telephone17721070236 13611955358
Websitehttp://www.yanfenbio.com/
Wuhan Fortuna Chemical Co.,Ltd
Telephone+86-2759207851; +86-18007136271
Websitehttps://www.chemicalbook.com/manufacturer/Wuhan%20Fortuna%20chemical/