As a professional supplier of auto parts system, Wonder Auto Group Limited primarily engages in developing, manufacturing and distribution of four series of auto parts: automotive electrical system (alternators, starters, drive motors, electric power steering system), active and passive safety system (airbags, seat belts, ESC, ACC, TPMS, LDW), auto suspension system (shock absorber piston rods,shock absorber assembly) and engine valve system (engine valves and tappets).