Detailed Product Description Polishing Machine for StoneHSMB-3800 Conuntertop profiling and polishing ... length: 3,150mm8) Drilling diameter: 6-100mm9) Machine dimensions: 3,800×1,650×1,450mm10) Gross ... , frequency conversion and variable speed, this machine with the characters of stable perfomance and high ... precision, can be used for processing all kinds of special shapes, including ...