Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai Leto Pharmatech Co.,Ltd.
Telephone86-021-5821 5861; 18016401466
Websitehttp://www.letopharm.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone13611835272 13611835272
Websitehttp://www.sunwaypharm.cn/
Xuchang Fengfei New Materials Technology Co., Ltd
Telephone19713077352; 19713077352
Websitehttp://fengfeinew.webh.testwebsite.cn/
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973130 17801761073
Websitehttps://www.solarbio.com/
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Shandong Liteng Biotechnology Co., Ltd
Telephone18663721413 18663721413;
Websitehttps://www.litengpharm.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Cato Research Chemicals Inc.
Telephone81960175 18933936954
Websitehttps://www.cato-chem.com/
Aikon International Limited
Telephone025-58851090 19370895928
Websitehttps://www.aikonchem.com/