A comprehensive renewal company specializing in large-scale repairs, building surveys, waterproofing of buildings and condominiums, long-term repair plans, exterior wall repairs, and leak surveys. 2014.05.07 Construction results have been added 2011.12.16 Started distributing a booklet of large-scale repair work that will not fail 2009.12.23 Eiwa Kogyo's homepage has been renewed | Back to top | For management associations considering large-scale repairs | Construction results | Business content | FAQ | Contact Us | Company Profile | Job Information | All Rights Reserved Eiwa Kougyou co., Ltd.