1.Weight: We produce in accordance with OEM standard
2.Sealing planar process: We spend more working procedure to reach smooth & perfect surface

3. Aesthetics: The apperance of our product very flat & smooth, no groove
4. Hole Site:
   1) With ingoing processing center equipment to make oil pan integrally to reach top precision.
   2) Each product must be detected by special checking-tools to make sure qualified before came out