Yuequn Sanding machine 1.Working width:40-1300mm 2.Working length:500mm(roller diameter different length different) 3.Thickness:3-100mm 4.Sanding tolerance �±0.05mm 5.One side sander, can be use for calibration, one time one side 1300R-R two sanding heads work for calibration sanding . 1300R-RP two sanding heads with one polish pad. Calibration and Polishing. Thickness more than 12mm, 490pcs/h (2440*1220*12mm) Thickness within 12mm,1400pcs/h 6.Double sides sander MM5613 with two heads ,one time two sides sanding. Thickness more than 12mm, 240pcs/h (2440*1220*12mm) Thickness within 12mm,700pcs/h