Series are featured by low noise.large air volume,electricity saving rational structure and etc,whose blades are desinged and made acccording to 3 flow Theory.Chosen as ideal devices by many departments such as chemical,light industry,civli construction and high-class hotels,the series are applied to prevent sunstroke and lower temperature for the mining industry and the workshop storage,or used for pipeling pressure,the air supply,ventilation and roof ventilation in general industry. further more,acccording to users needs,our compang can also provide SF-I type fixed status and SF-II type for adjustable starus.
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