... stand material:iron pipe ,metal band and plastic FAN PARTS, Round base and stand,Simple for assembly and in good taste, popular ... customer.MATERIAL: iron pipe for stand, other plastic for inner base, PP for outer base.SPECIFICATION: outer pipe:0.6Xdia.38 or 32mm ... 40'GP: about 20000 SETS 40'HQ: about 22000 SETS fan part stand for fans round base base stand fan parts