Manufacture of different types of flanges from 1/2 inch to 60 inches standard with carbon steel, stainless steel materials such as throat flange, optical flange, slipper flange, silent flange, gear flange, flat flange, blind flange, orifice flange and Lap Fluid Flange ... Spiral Fitting Trading Importer of various types of flanges from 1/2 inch to 60 inches standard with carbon steel materials, stainless steel such as throat flange, optical flange, slipper flange, silent flange, gear flange , Flat flange, Blind flange, Orifice flap and Laptops flange, Manufacture of various stainless steel flanges with various alloys 304-316-321 AH global standard