Hiroshima construction 15/06/11 　Construction department construction photos have been added. 15/06/11 　Added the construction photo of the self-supporting stable block "Antler". 13/09/03 The 　construction photo of the self-supporting stable block "Antler" was added. 13/09/03 　Construction department construction photos have been added. 13/05/14 The 　construction photograph of the self-supporting stable block "Antler" was added. 13/05/14 　Construction section Construction photos have been added. 12/11/26 　Local contribution activities were recognized, and we received an adapt activity certification organization certificate. 12/11/26 　Added photos of construction sector community contribution activities. 12/05/15 　Construction section construction photos have been added. 11/02/07 The soft-shelled turtle 　aquaculture page was added. 10/04/23 　Business content page has been added. 09/12/10 　"Ready-mixed concrete" was added to the product list. 09/06/06 The　homepage has opened ! We look forward to working with you in the future. Tweets from @hiraikosan