Within major steel mills in China, vehicles such as molten iron cars, ingot flatbed cars, ore cars, slag cars, and ingot transport cars are being updated and replaced. This bogie is specifically designed for the renovation and upgrading of Wuhan Iron and Steel Co., Ltd.'s 16m3 steel slag vehicle. Due to the use of the original vehicle body, including upper and lower spherical center plates, as well as taking into account the factory's wiring, operation and maintenance. First, conduct a trial run and then promote it.