... volume, without distortion, no broken, attractive and durable.( adopting aluminum fan The fan blade is stainless steel , big air volume, ... without distortion, no broken, attractive and durable.( adopting aluminum fan blade in the past, which had some problems caused ... Variety sizes of shape and install conveniently. Size of shape(blade): 780mm(27’’),830mm(30’’),900mm(31’’),1000mm(39”), 1100mm ...