... especially. 3.Quality control. 4.Iso9001-2008. wind valve1.Competitive price.2.we can develop new items ... you especially.3.Quality control.4.Iso9001-2008.wind valve Namewind valveModelST-24BrandZHIYONGMaterialIron plate,galvanized plate,alu ... .Production equipmentLathe,punching machine,rotating machine,tapping machine,instrument machine,argon arc welding machine,electrical welding machinePackageCarton ...