Hollow bricks are replacing red bricks as the preferred choice for engineering projects. Concrete hollow bricks beat traditional clay bricks in four ways: lightweight, high strength, eco-friendly, and faster to build — larger size, quicker masonry, lower overall cost, fitting the green building trend. For production, Qunfeng Machinery’s QS series (QS700 economy, QS1300 “supersonic” intelligent, QS2000 flagship servo) covers every need. A practical guide to choosing materials and equipment.