Fan blades are made of stainless steel air volume, no distortion, no breaking, attractive and durable (originally made of aluminum alloy blades, due to metal fatigue strength aluminum alloy material is too low for a long time the emergence of broken, cracked, wind quantity is small and other issues); belt automatic belt tensioner device using the belt is not loose belt, belt out (usually two-year warranty dealer to the customer, resulting in customer use in just two years without maintenance, in addition to any belt will change after one month long, so belt loose, out with, so scratch the fan blades cause damage to the dealer unnecessary loss); high strength aluminum-magnesium alloy pulley pay more gluten and sandblasted, improve aesthetics, eliminate stress effectively improve their own strength; bearing France imported bearing high strength, low noise, long service life; a variety of dimensions for easy installation, the fan shape has 780mm, 830mm, 900mm, 1000mm, 1100mm 1220mm, 1380mm, 1530mm eight kinds; I A company can be customized fan belt or B type belt according to auto sales, to effectively meet the needs of different customers. Tenway fans have been advanced computer balancing test instrument calibration, the fan running smoothly, reduce noise, enhance stable and prolong life