Shanghai Yan Yuan Material Recovery Co., Ltd. has been specializing in the long-term recycling of power transformers, large-scale power plant transformers, voltage regulators, box transformers, magnetic transformers, and oil-immersed transformers. With the continuous transformation of the two networks and the development of the power grid, the demand for distribution transformers has surged. The environmental protection and recycling issues after the service life of distribution transformers will become a severe challenge. Although distribution transformers are equipped with alarm and protection devices, they cannot be replaced in a short time even after an alarm or trip, resulting in continuous overloading and eventual damage. The major隐患 of overloading distribution transformers is the potential for fires, and harmful gases are produced during combustion. Box transformers are widely used in urban power supply and demand, and the current transformers are both oil-filled and dry-type. One of the defects of oil-filled transformers is the aging of oil, which leads to a decrease in insulation performance and difficulties in maintenance and oil replacement; the defects of dry-type transformers include low protection levels and unsuitability for outdoor operation. Due to the high internal temperature of box transformers, power supply departments are concerned about the load capacity of the transformers within them, making it difficult to determine their full-load and overload capabilities. Once overloading occurs and a fault arises, replacing the transformer becomes even more challenging. Our company is one of the largest transformer recycling companies in Shanghai. We provide customers with a reasonable assessment based on the current market prices.