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Tongxin Transmission specializes in the research, development, manufacturing, and sales of non-equal velocity universal joint transmission shafts. The product portfolio includes drive shaft assemblies and components engineered for medium and heavy-duty trucks, buses, construction machinery, and specialized vehicles. The company focuses on high-performance transmission solutions, emphasizing durability and precision engineering to meet the requirements of mechanical power transmission systems. By integrating advanced manufacturing processes with quality control, it provides essential components for vehicle and industrial equipment manufacturers, facilitating efficient power transfer across various mechanical applications.