Shengrui Transmission Co., Ltd. is a state-owned joint-stock enterprise controlled by China National Heavy Duty Truck Group Co., Ltd., mainly engaged in the research and development and manufacturing of automatic transmissions and components for automobiles. It has formed a strategic layout of "combining commercial and passenger transportation, oil and electric dual engines, dual wheel drive, and going global", and has developed into a leading domestic research and development and manufacturing base for automatic transmissions for automobiles.