Our company sticks to the principle of "Quality is the life of the company, and reputation is the soul of it" for passitive house ventilation system, Holtop Industrial AHU , negative pressure ventilation , Plate fin Heat Exchanger ,climate . Only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment. The product will supply to all over the world, such as Europe, America, Australia,Senegal , Morocco ,Moscow , Surabaya .Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.