Please leave the contract manufacturing to Kyowa Junyaku Kogyo Co., Ltd. TEL. 03-3968-7441 4-16-28 Ukima, Kita-ku, Tokyo 115-0051 We would like to express our deepest sympathies to those affected by the 2011 off the Pacific coast of Tohoku Earthquake. We pray for the earliest possible recovery of the disaster area. TOPICS August 06, 2013　We have started recruiting sales positions. July 18, 2013　We are looking for a manufacturing assistant part-time worker. April 02, 2013　Looking for an oil adsorbent? Then it is decided to use an eco-friendly "oil catcher". April 02, 2013　"Oil Catcher Trial" is now on sale. March 19, 2013　If you are looking for a pure water device, please contact Kyowa Junyaku Kogyo. March 04, 2013 　If you are considering outsourcing your product, please contact us. update information April 16, 2012 A new FAQ section has been added. April 04, 2012 Ecofeeder SORA has been added to the products we handle. March 26, 2012 The site has been renewed. HOME Company Profile Water treatment department Products handled Contract manufacturing Kyowa Junyaku Kogyo Co., Ltd. Yubinbango115-0051 Kita-ku, Tokyo Ukima 4-16-28 TEL 03-3968-7441 FAX 03-3969-0049 copyright © 2012 Kyowa Pure Chemical Co., Ltd. all rights reserved. privacy policy access Contact Us