This is our projects in Peru, South America. Its capacity is 50 cubic meters per hour. This is a medium capacity. This customer found us from Internet, and after several months communication, they purchased these two sets Crack router KD-25 which can be used for grooving slots at 1-5cm by width,0-3cm by depth along cracks in concrete or asphalt pavement easily,accurately and quickly. Doan can provide professional solution to repair the road.