"Inflatable Air Blower" fan seal: Full wind turbine Germany MERKEL seals, Germany MERKEL (Angela Merkel) Viton material can withstand -25 ℃ to 300 ℃. With respect to the general operation of its seal lip is higher than the operating temperature of the medium temperature 20 ~ 50 ℃, more stable performance, maintenance-free, longer life. Fan Bearing: Full wind turbine core components Germany SKF, Japan NSK brand bearings, bearings can withstand up to 350 degrees Celsius, 4000 revolutions per minute. Luo axis for domestic Japanese bearing, stable performance, low noise and longer, maintenance-free life, fans can ensure longer run.