Building fasteners wing nuts for tube 1.OEM service 2.ISO9001-2000 3.best price and service 4.processing with supplied draw Building fasteners wing nuts for tube 1) Material: ductile iron / grey iron 2)Process:investment casting / sand casting 3)OEM service Features of our ductile iron casting parts: 1) Casting Material: cast iron,ductile iron, cast steel,2) Process:investment casting , shelly ...
