YAC, incorporated in 1971 is engaged in manufacturing of automotive pistons & cylinder blocks. The foundation of the company’s progress, In accordance with the company’s belief that “all the products should be world class” was based on the passion of our predecessors for making the products “touch perfection”. The constant willingness to take risks and dedicated efforts to achieve success make up the YAC spirit, which has been inherited in an unbroken line, and have contributed to our progress.