The price of the Sanya power ventilators [sun] Dongguan Power ventilation manufacturers gas heat exchange power ventilation is the use of cross-flow principle total pressure or centrifugal fan, indoor and outdoor air force exchange simultaneously silencer, air purification, air purification, and so on. Applicable range of hotels, apartments, villas, office buildings, commercial buildings, residential, hospitals, schools, and other applicable Swatches, can order the color characteristics of the power ventilation, window casement window, sliding windows, fixed windows color according to the customer 1) excellent sound insulation and sound insulation: indoor air exchange, sound insulation capacity of more than 32 db. 2) power ventilation, natural ventilation, dual-purpose: without power ventilation, can be used for natural ventilation. 3) into the indoor air treatment: fresh air into the interior through activated carbon filters filter sterilization processing negative oxygen ion generator, negative oxygen ionizer concentration ≥ 3 × 106pcs/cm3. 4) gas (B Three adjustable): 0-65m3 / h stepless adjustment of the amount of A-type ventilation; amount of B-type ventilation upscale 100m3 / h, mid-range 60m3 / h, low-grade 30m3 / h. 5) easy installation and maintenance: installation without changing the form, simply to reduce the height of the installation part of the glass. Maintenance apart from indoor tailgate for maintenance or replacement of parts, and clean the filter can be directly drawn indoors. 6) energy saving: high-end exhaust and negative ion generator using both power consumption of 11-24W. 7) Easy to operate: (with a remote control device). 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