Group 1 - Harbin officially commenced heating services on October 20, with all heating units operational and adjustments made based on temperature changes to ensure residents stay warm during winter [1] - The city has introduced a one-click repair system for residents to report heating issues, allowing for quick response and service arrangements within 5 to 10 minutes [1] Group 2 - Harbin Investment Group has integrated smart heating technology across production, service, and management, with 1,951 heating stations under unified control, ensuring stable user temperatures [2] - The group covers an area of 156 million square meters and serves 1.4571 million users, making it the largest heating provider in Harbin [2] - A comprehensive smart heating management system has been developed since 2019, aiming for full implementation by 2025, enhancing efficiency and connectivity across various operational aspects [2] Group 3 - Safety and environmental protection are prioritized, with ongoing inspections and a significant investment of 744 million yuan in efficiency improvement projects, expected to save 64,500 tons of standard coal annually and reduce CO2 emissions by 171,000 tons [3] - The city plans to conduct thorough inspections of heating enterprises to ensure compliance with fuel storage requirements and improve public satisfaction regarding heating services [3]