Valve

Introduction：

1.The cylindricity test of all valves is qualified.
2.The raw materials for the valve are all from state-owned large factories.
3.The valve concentricity is within 0.03mm.
4.The roughness of the valve stem is ≤ 0.6.
5.The valve has passed the flaw detection and is qualified.
6.The car models are complete and customizable, without mold fee.