伊戈尔：吉安伊源主要生产天然酯绝缘油

Group 1 - The core viewpoint of the article highlights that Igor (002922) is engaged in the production of natural ester insulating oil, which is superior to mineral oil in terms of environmental protection, safety, lifespan, and sustainability [1] - The natural ester insulating oil produced by the company can be applied in oil-immersed transformers, aligning with the global energy transition trend [1]