HOWA CONSTRUCTION Co., Ltd TEL / 0225 (93) 7553 FAX / 0225 (95) 5394 2015.09.25 　Construction example was added. 2013.04.26 　Construction example was added. 2012.10.17 　Construction example was added. Toyowa Construction Co., Ltd. 1-10 Futaba-cho, Ishinomaki-shi, Miyagi 986-0874 Copyright (c) HOWA KENSETSU. All rights reserved . Obtained ISO 14001: 2004 certification!