The Chengdu No power hood Price Hainan no power the hood Which is good the sunshine without power hood nature natural wind speed to promote fan turbine rotation and indoor and outdoor air convection principle, any parallel to the direction of air flow, acceleration and shift the ground under on the vertical flow of air to improve indoor ventilation effect a device, it does not use electricity, no impatient tone, long-term operation, eliminate indoor heat, moisture and bad smell, according to the the air natural laws and the principle of air flow , rationalization set in the top of the roof, cis-speed exhaust hot air and polluted indoor gas to improve the indoor environment. The objective of energy efficiency, the economic cost of installation, low maintenance costs. 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