... 4.ISO9001:2008 5.Carbon steel ductile iron seamless pipe fittings casting partCompany introductionDalian Wills Machine Co. Ltd. ... Best Quality and Best Price5. On time delivery6. Working Process: Sand casting, investment casting,die casting,forging,etc.7. ... ISO 9001:2008Machinend to DrawingS OR SamplesCNC latheLow roughness Machining: CNC Lathe, Normal lathe, Boring, Vertical , Horizontal, Milling, ...