220kV three-phase oil-immersed power transformer, using the company's unique calculation and verification procedures, optimizes the design and verification of transformer core, coil, body, lead, fuel tank and other components in an all-round way to ensure product performance. Superior process equipment, meticulous material selection and efficient production and manufacture make transformer 

have the characteristics of small size, light weight, low loss, low partial discharge, low noise, superior product quality, energy saving and environmental protection, reliable operation and effective reduction of product operating costs.