| PT900 | plane cooling rack without holes ,900*500*1550, 3feet, 4layer |
| PT1200 | plane cooling rack without holes ,1200*500*1550, 4feet, , 4layer |
| PT1500 | plane cooling rack without holes ,1500*500*1550, 5feet, , 4layer |
| PT1800 | plane cooling rack without holes,1800*500*1550, 6feet, 4layer |
