We know that we only thrive if we could guarantee our combined price tag competiveness and quality advantageous at the same time for Holtop AHU heat exchanger, ventilation system for hospital , Enthalpy wheel , Classroom Ventilation ,residential HVAC system . We welcome buyers, business enterprise associations and good friends from all sections in the planet to get hold of us and request cooperation for mutual gains. The product will supply to all over the world, such as Europe, America, Australia,Thailand , Bulgaria ,USA , Bangkok .We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end products, to do professional products.