Shijiazhuang roof ventilators Price Changzhou roof ventilators manufacturers sun roof ventilation, also known as the roof for natural ventilation and roof for natural ventilation. Focused on aerodynamic wind vector-type theory "wind action on the object, the windward side is the pressure side of the leeward side and downwind to commence suction". Its performance mainly reflected in: (1) overall streamline arc, both to ensure the ventilation body strength, effectively reduce ventilation body withstand wind pressure (2) the use of ventilation body height and arc formation large volume, improve indoor air collection and disposal capacity. The roof ventilators snow load capacity depends on the form of the design of the steel frame, the thickness of the material specifications of the steel frame and hood cover and other factors, including the choice of component materials specifications is very important, should first guarantee to meet wind and snow load requirements, while also Avoid unnecessary use large size. Liaocheng Sunshine Stainless Steel Co., Ltd. is currently the only company specializing in the production of roof ventilation equipment manufacturers. In recent years, under the joint efforts of the engineering and technical personnel, factory production of free electricity --- roof ventilation is currently one of the domestic specifications largest and most complete variety of manufacturers. 300, 360, 450 with residential buildings, the villa floor roof ventilation mouth, 500, 600, Model 680 is mainly used for exhaust ventilation plant workshop and large public places. All stainless steel body, cast aluminum support special double sealed bearings. World-class product sales over the face of the country, after-sales service. Windmill - wind pumps fuel, no electricity, manufacturing, and that is able to start. High tower fan blade diameter of 5-10 meters, all nine specifications can be designed according to the different needs of production. Colorful the weathervane widely used in the park, and the edge of the green belt, villas and corporate production environment, it can not only indicate the wind direction and speed levels can also add a dynamic and harmonious environment. The face of strong competition in the market, our factory always adhere to manufacture high quality products for the guidelines, adhere to honesty, excellent service up to a maximum customer satisfaction associates: King Star Manager Sales Tel 0635 -8322238 13906356805