Shape comparison: cast iron square box is the cavity cube, edge chamfer, marble square box is the solid cube.
Weight comparison: cast iron square box is lighter than marble box.
Material comparison: cast iron square box material is gray iron HT-250 that pass quenching casting. Marble box material is natural A-class granite.
Precision comparison: the maximum accuracy of cast iron square box is 0 level, the lowest accuracy of marble square box is 0 level, the highest precision is 000 level.
Environment Comparison: the storage and use environment of cast iron square box can be clean and ventilated place. The storage and use environment of marble square box is relatively strict. There is a temperature requirement.
Industry comparison: Cast iron square box can be used in the machinery industry, heavy industry, machine testing. Marble box can be applied to laboratory, chemical, aerospace, machinery industry.