The products manufactured by the group have successively passed the inspections of the "National Center for Quality Supervision and Testing of Fixed Fire Extinguishing Systems and Fire-resistant Components", "Fire Resistance Performance Certification", "National Center for Quality Supervision and Inspection of Building Fireproof Products", "National Center for Quality Supervision and Inspection of Electrical Control and Distribution Equipment", "Jiangsu Provincial Center for Quality Supervision and Inspection of Distribution Equipment", and "Suzhou Electrical Research Institute", and are committed to providing users with reliable high-quality products.