Human resources service business for the construction industry / Sankyo development of wedge-tied scaffolding site map privacy policy Business System Occupation Features Flow of Seven Ashiba scaffolding rental New standard specifications for safety first Other incidental work Performance 2014.12.01 2014 Construction industry year-end and New Year occupational accident prevention emphasis period 2014.03.25 We have opened the website of Sankyo Development Co., Ltd. 2014.10.11 Safety patrol inspection report September 6, 2014 Safety patrol inspection report July 19, 2014 Safety patrol inspection report Human resources service business for the construction industry / Sankyo development of wedge-tied scaffolding Top page │ Company profile │ Business content │ Employment information │ Inquiries │ Site map │ Privacy policy │ Copyright (c) SANKYOKAIHATSU Co., LTD. All Right Reserved.