Maintenance is one of the especially important steps to ensure quality, enhance the strength, and ensure user safety.

Therefore, in order to ensure that the construction quality is stable throughout the operation, operation and use even after the warranty period expires, the team of FTA engineers always tightens up the supervision and commissioning. submission and guarantee must be strictly managed with complete dossiers, construction diaries, completion dossiers, partial settlement dossiers and completion insurance dossiers between investors. In addition, keep in regular contact with investors and project users to have annual plans for maintenance and maintenance of works according to current regulations.