2014 years October 06 days Hokkaido Genki Festival 2014 years 05 May 20 Health and safety competition 2014 years 04 May 16 Odori Park cleaning work Toyo Road Maintenance aims to create a comfortable living environment with "people," "technology," and "quality" as the three pillars. 3SICP Technology Association ASS Construction Method Association Cyclone method Tokyo Pipe Giken Kogyo Co., Ltd. (TOPTEC) TOP | Kanmizo such investigation | road cleaning | sewer facility cleaning | water supply facilities cleaning | Kanmizo repair renovation | construction | Johaiyuki Company Profile | Contact Us | News