VMAN Engine has fully advanced manufacture process and quality management system. We are well-equipped and experienced in modern production management. We take vigorous position in part assembly and debug to prevent the leak of gs, water and oil, we inpsect all the engines with leak test to guaurantee the tightening quality, we use ESTIC technology(Japanese Nut Runner Machine) on al key bolts. Each engine will be debuged ebfore going to the market.