海通国际发布瑞纳智能研报，平台交付迎兑现拐点，主业回暖驱动成长

Group 1 - The core viewpoint of the article is that Haitong International has given a "better than market" rating to Ruina Intelligent (301129.SZ) based on its strong performance in the smart heating and energy management sectors [2] - The company is leveraging both EPC (Engineering, Procurement, and Construction) and EMC (Energy Management Contracting) business models to accelerate growth [2] - Ruina Intelligent has developed a comprehensive product matrix that enhances its competitive edge through deep platform capabilities [2] - The company is strategically positioning itself in the silicon carbide business, which is expected to open new growth opportunities [2]