Wonder Auto Group Limited primarily engages in developing, manufacturing and distribution of four core businesses: 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). In addition, Wonder has started to produce new energy vehicles and related core parts and moved into household new energy and environmental protection research since 2009. Wonder has more than 20 subsidaries, more then 8000 employees and a R&D team of over 600 engineers. Currently Wonder was ranked as second large manufacture in the China market for automotive alternators and starters, the largest Chinese brand airbag manufacturer and pretensioner supplier and the largest manufacturer of engine valves and tappets with the strongest R&D skills and most extensive customer base in China and the manufacturer with the largest sales of piston rods for shock absorber in the world. Wonder gained YOY growth of sales income 10% and 19% in 2015 and 2016 respectively and maintained sustainable growth.