Core Insights - Harbin New Area is pioneering the implementation of potential defect insurance (IDI insurance) for municipal road projects to enhance the quality management and regulatory independence of municipal engineering [1][2] Group 1: Regulatory Framework - The introduction of the "IDI insurance enterprise + full-process engineering quality risk management institution (TIS institution)" creates a market-oriented independent regulatory joint body, promoting proactive risk control and binding the interests of IDI insurance companies to engineering quality [2] - The new regulatory framework aims to break the traditional dependency relationships in supervision, ensuring a closed-loop management system that enhances overall engineering quality control and stability [2] Group 2: Quality Assurance System - A full-cycle quality assurance system has been established, extending the warranty period from the traditional 2 years to 7 years, which includes a 2-year defect liability period and a 5-year insurance compensation period [3] - This shift effectively transfers quality risk from the government and construction units to insurance companies, promoting a proactive maintenance approach rather than a reactive one [3] Group 3: Industry Transformation - The introduction of IDI insurance is reshaping the repair service mechanism and engineering quality supervision system, creating new market opportunities for engineering consulting, insurance brokerage, and repair services [4] - The transformation encourages TIS institutions to enhance their technical and management capabilities, leading to a more refined, professional, standardized, and regulated industry [4]