... Other name:precision flange,flange coupling,casting flange,cast iron flange,fully machined componnetManufacturing process:sand casting,centrifugal casting etcMachining:turning,milling,grinding,drilling, ... .Material: bronze, cast iron, stainless steel, carbon steel, alloy steel etc.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface ...