QUALITECH METAL INDUSTRIES Manufacturers & Exporters Of M.s. Flanges, Expansion / Dismentaling Joints, Flanged Adaptors, M.s. Pipes / Tubes, M.s. Specials / Fittings, C.i. Castings, Machine Parts, Pipe Fittings, Valves, Manhole Covers, Steel Products/components, Iron Handicrafts