... ,75mm,100mm,200mm VENTILATOURS Diametre:500mm,600mm GALVANIZED STEEL COIL Thickness:0.18mm-0.8mmWidth:1000mm-1250mmZine ... commercial use, household appliance, industry, familySPECIALAPPLICATIONWear resistant steel, high- strength - steel plate3.PPGI PRODUCTION TECHNOLOGY4.PPGI PACKING standard packing ... 4 eye bands and 3 circumferential bands in steel, galvanized metal fluted rings on inner and outer ...