Changfa,the largest and the most professional manufacturer concentrate on production diesel and gasoline power machinery in China,enjoy good reputation both in home and aboard,cooperating with many international Group in all over the world, such as Costco, AKSA etc.we have own R&D department,more than 30 laboratories,including let-out test lab, noise-liberation lab, etc.together we choose Bosch injector, NSK bearing,which ensure us to have a good basis of technological innovation and ensure entering into market with top-quality products.