The accuracy of Botou Meishuo cast iron platform is 100 mm× 200 mm-400 mm× 400 mm, and the accuracy is Grade 0, 1 Grade 2.

400 mm× 600 mm-1 500 mm× 2500 mm accuracy is1,2,3.

1500mm× 3000mm-2000mm× 3000mm accuracy is Grade 2, Grade 3, fine planing.

2000mm× 4000mm-3000mm×10000mm/4000mm× 8000mm, accuracy level 3, fine planing.

In order to achieve the precision of cast iron platform, the platform must be thickened and scraped in a constant temperature room.