CHANGLAN TECH.(SZ:002879)2025-12-25 10:40Group 1: Product Development and Innovation - Double River Energy has established advantages in natural ester insulating oil, which is characterized by high flash point, high ignition point, natural biodegradability, low carbon footprint, and strong overload capacity, making it an ideal environmentally friendly insulating oil for transformers [2] - The company is actively involved in the national key project for the development of plant-based insulating oil for ultra-high voltage power transformers, with increased R&D investment planned for 2024 [2][3] - The research and development of immersion-type insulating cooling liquid is currently in the experimental verification stage, aimed at broadening product variety and enhancing market competitiveness [3] Group 2: Market Expansion and Applications - The company has successfully entered the commercial aerospace sector, introducing materials, cabinets, connectors, and electromechanical products into the aerospace industry, thereby injecting new momentum into future development [3] - In the international market, the company has successfully penetrated markets in Italy, the USA, Uruguay, Oman, and Algeria, achieving export sales of its full range of products [3] Group 3: Technological Advancements - In collaboration with China Three Gorges Construction Group and China Electric Power Research Institute, the company has developed innovative products such as 750kV cross-linked polyethylene insulated power cable liquid-filled composite terminal and dry-type insulated GIS terminal, which have passed national-level new product technical appraisal [3] - This significant technological breakthrough fills a domestic gap and marks a leading position in the ultra-high voltage cable accessory technology field in China, contributing to the enhancement of the core competitiveness of the country's power equipment manufacturing industry [3]