Calacatta white quartz surface flatness inspection


Calacatta white quartz  polished degree inspection


White quartz thickness inspection


Our QC will carefully detect the stone quality and specification

piece by piece,monitoring every production process until

packaging is complete,to ensure product safety into container

1)Quartz products polished degree:50 degree or up

  Granite products polished degree:85~100 degree or up depond on different colors

  Marble products polished degree:85~100 degree or up depond on different colors

2)Thickness tolerance:+/-1mm

3)Diagonal tolerance:+/-1mm

4)Surface flatness tolerance:+/-0.3mm

5)Adjacent edge verticality tolerance:+/-0.5mm,Precise Cutting by infrared-ray-cut machine.