Sink Surface Grinding MachineSink surface grinding machine used for grinding the sink surface semi-automatically, the speed gear is adjustable.Product FeaturesSink Grinding Machine is mainly used for grinding the flat board of sink and common metal products, it can grind the welding seam and large surface area. This machine flat can side to side,moving up and down is system control,the forward and backward movement can be changed at any time during the easy to operate.This machine suitable for all plane operation,the surface is not too smooth and product performance is better.Â