- Cosmo Bio Co.,Ltd. TOYO-EKIMAE BLDG.,2-20,TOYO 2-CHOME,KOTO-KU,TOKYO 135-0016,JAPAN 81-3-5632-9610 http://www.cosmobio.co.jp
- Iwai Chemicals Company 2-10,3-Chome,Nihonbashi-Honcho Chuo-ku Tokyo 103-0023 JAPAN +81-3-3241-2573 http://www.iwai-chem.co.jp
- FUJIFILM Wako Pure Chemical Corporation 1-2, Doshomachi 3-Chome, Chuo-ku Osaka, 540-8605 Japan 0120-052-099 (free) 0120-052-806 (free) ffwk-labchem-tec@fujifilm.com http://www.wako-chem.co.jp
- NACALAI TESQUE,INC. 498 Higashitamaya-cho,Nijo Karasuma,Nakagyo-ku Kyoto 604-0855 JAPAN 81-75-211-2703 https://www.nacalai.co.jp/ss/Contact/ http://www.nacalai.co.jp
