Automobile piston is like the central part of automobile engine, which plays an extremely important role in engine starting. Automobile piston is used to bear the gas pressure, and through the piston pin to make the connecting rod drive the crankshaft to rotate. The top of the piston is still part of the combustion chamber. The general automobile piston is divided into three categories: diesel engine piston, gasoline engine piston and general-purpose piston.

HCVAC coating equipment can provide excellent anti-wear and scratch performance, excellent sliding wear resistance (wear and scratch) on metal surface, achieve higher injection pressure, reduce consumption and emission, and show less wear and longer service life.