Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for villa MVHR., havcr , indoor air quality , Mechanical ventilation system with heat recuperative ,Air Conditioning . our products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients。 The product will supply to all over the world, such as Europe, America, Australia,India , Japan ,Croatia , Paraguay .We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.