We support our consumers with ideal good quality merchandise and large level provider. Becoming the specialist manufacturer in this sector, we have attained wealthy practical encounter in producing and managing for primary filter, Manufacturer of large airflow AHU , Holtop AHU heat exchanger , air conditioners ,AHU heat recovery section . Welcome you to join us together to make your business easier. We are always your best partner when you want to have your own business. The product will supply to all over the world, such as Europe, America, Australia,Spain , Guyana ,Nigeria , Vietnam .With good quality, reasonable price and sincere service, we enjoy a good reputation. Products are exported to South America, Australia, Southeast Asia and so on. Warmly welcome customers at home and abroad to cooperate with us for the brilliant future.