[Sun] Changsha roof ventilators price Ningxia roof the ventilator manufacturers rain requirements and structure designed to prevent the intrusion of rain and snow on the roof ventilators basic requirements. Peripheral fender, hood cover and the standardization of the pan of water board installation and construction is the the ventilation the rainproof ability of important guarantee: (1) the board is in place, according to the design drawings. Should generally years to reverse the position of the maximum frequency of wind direction as the installation starting point. (2), to determine the installation direction, the end edges of the sealing plate to install fixed, then the first plate is mounted in place, and fixed, to ensure that the vertical and purlins. (3), the second plate should be installed with the projections of the first plate along the overlap, by checking to ensure full contact of the outer edge of the two plates and flat, thus ensuring overlap intact, and with a ring of self-tapping screws purlin connected together. (4) between the color steel C purlin tapping galvanized screws, (5), fixed reliable or not directly related to the number of connections, spacing, connection quality. Set waterproof sealing material at the laying of the well in order to ensure inter-board water leakage phenomenon does not occur. 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 Sales Tel 0635 -8322238 13906356805