J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Aikon International Limited
Telephone025-58859352 19370895928
Websitehttp://www.aikonchem.com
Yujinpharma(Tianjin) Technology Co.,Ltd.
Telephone13370351217 kungfu1217@1
Websitehttp://www.yujinpharma.com
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/