It is made of three layer, top veneer and bottom veneer are made of hardwood sliced veneer or rotary sliced veneer; the core layer is made of wood strips. The crossed wood fiber direction balances the inner force. The durability of hardwood flooring is based on top-quality wood and excellent workmanship. The hardwood flooring consists of three layers. Each has specific features which complement each other, providing improved resistance to wear. This carefully designed structure prevents the flooring from twisting and bending. The wear layer determines the aesthetic lifetime of the floor. The surface is treated with nine coats of PU varnish UV cured resulting in a more durable and hardwearing finish.