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Qingzhou Huinong Machinery Company is apecialized in production of the cooling fan .
MBQ Roof Nopower Turbine Ventilator :
1)Specially-devised electrical motor with remarkable performance.
2)The aluminium punching blade, large air volume and low noise.
3)Corrosion resistant, long service life.
Stainless steel:
Powder painting
MBQ Large Air Volume Roof Nopower Turbine Ventilator