What is the relevant standard of pe lampshade for magnolia lamp?

1, appearance standard: there should be no obvious cracks, bubbles, watermarks and other defects on the surface; Bright color, no pollution, no odor.

2. Size standard: the size of the lampshade should meet the design requirements, such as diameter and height.

3. Light transmittance standard: the light transmittance of the lampshade should meet the design requirements, such as light transmittance and astigmatism.