investment casting stainless steel Xinxiang Yulong Machinery Co.,Ltd is a professional manufacturer in all kinds of castingparts,mainly include ductile iron,grey iron casting,cast steel,aluminum casting and alloy casting,stainless steel casting etc.are widely used to auto parts,engineering machinery parts,mining machinery parts,engine parts,valve body parts,pressure wheel accessories and pump parts,etc.All the above castingparts can be designed and manufactured according to your drawing or sample.       At present,the annual production is more than 1 million tons,have six multi-smelting furnaces,advanced resin-sand production line and molding line,complete laboratory testing analysis instrument,casting structure analyzer.       Manufacturing equipment (foundry used): cupola, electric furnace, resin-bonded, dry sand mix miller, quake press molding machine, turning molding machine, hanging shot blast cabinet, roller shot blast cabinet, heat treatment cellar.       Manufacturing equipment (machine shop used): numerical control lathe, vertical type CNC machining center, boring machine, universal miller, standing miller, vertical drill machine, bench drill machine,normal lathe, line cutter etc.       Testing equipment (foundry used): elongation tester, hardness tester, metallographic microscope, spectrometer, PC thermometer, CE NSP-550CS heat analysis instrument, molding sand testing equipment, chemistry composition analysis room.        Testing equipment (machine shop used): vernier caliper, depth caliper, micrometer, depth micrometer, raius caliper, digital caliper, digital depth caliper, ID micrometer, OD micrometer, multiple use angle mearuring tool, CMM etc.