The prototype is made according to the design data to verify whether the product structure, performance and main process meet the design requirements.

According to the requirements of mass production, all process procedures are prepared, all process equipment is designed and manufactured, and a small batch of products production to prepare for mass production.

Vibration test, noise test, sensitivity measurement, modal test, foreign noise identification test, etc.

Real car crash test, dolly crash test.

Bench vibration test, bench fatigue test, driving durability test, environmental durability test, bending and torsion test, stiffness test, static damage test, etc.

Power, braking performance, driving smoothness, handling stability, test field reliability, etc.