Our company is the production of ventilation cooling, heating and other environmental temperature control equipment, animal husbandry breeding machinery of professional manufactures, and our company based on Chinese agriculture standardization, automation, mechanization of demand, production ventilation cooling fan with negative pressure (wind leaf diameter710-1400mm), wet curtain cooling (100-150mm), environmental protection and energy saving cold air blower, the circulation fan, roof fan, heating furnace, qing dung machine etc., in order to meet the greenhouse, large workshop, standardization corral environment optimization requirements. With advanced equipment, scientific management, produces high quality and low price qualified products, we want to cooperate with friends from all over the world.