... aluminum, brass,etc.4.working process:sand casting,investment casting, die casting, forging,stamping,etc.5.rich export ... lab----100% inspectionPIPE FITTINGS OF CARBON STEEL---OEM CASTING SERVICECompany introductionDalian Wills Machine Co. Ltd. is ... Working Process: Sand casting, investment casting,die casting,forging,etc.7.Casting Process:Client Drawing--Mould Sampling--Casting--Rough Machining--HT-- ...