the life-time.the most amazing things happen after ec products installed as the window or façade of the buildings. 40% of all the energy used in the united states consumed by building construction and operation, reported by us energy information. and more than half of which applied to build heating, cooling, and lighting. ambilight ec technology brings the ultra-solution to balance unwanted solar heat gain and lighting. it keeps saving energy and uncompromised aesthetics views.it’s our unremitting pursuit to improve people's quality of life and promote social sustainable development with benefiting ec technologies.