The company covers the development of power transmission and distribution equipment such as electric power fittings, cable accessories, insulators, lightning arresters, Disconnecting switches, circuit breakers, fuses, ring network cabinets, fault indicators, etc., anti-dancing, lightning protection, anti-icing, and down-line Solution of damage design and industrial product design. The products are widely used in power grids, power stations, electrified railways, petrochemicals and many other industries; "YONGJU" series brands have successively obtained well-known trade names in Zhejiang Province, Zhejiang famous trademarks and Zhejiang famous brand products. The company is the communication committee unit of the National Overhead Line Standardization Technical Committee, and participated in the "Technical Specifications for Parallel Bundle Type Overhead Insulated Cable Accessories", "Power Industry Supplier Credit Evaluation Specification", "Zhejiang Product Quality Supervision, Inspection and Evaluation Rules - Power Fittings", Revision of standards such as "Electric Energy Testing and Energy Saving Technology Evaluation Requirements".