... ,investment casting,etc3.Full quality contral system4.Qualified inspector:provide best quality products to clients 1materialgrey cast iron, ductile cast iron, steel, stainless ... testing after heat treatment• Final NDE,dimension inspected.Quality document• Full Q.A document as per client request.Packing and Shipping ... to contact me on export(at)adzz(dot)cnFrank compressor body/ cast iron /grey iron