Profile: Senior Steel & Engineering Co is a manufacturer and exporter of pipes, flanges, fasteners, fittings, sheets and plates. We are an ISO 9001:2008 certified company. Our product line includes heat exchanger tubes, stainless steel & carbon steel pipes, weld neck, socket weld, lap joint, slip-on, threaded & blind flanges, alloy steel, stainless steel & nickel alloy fasteners, forged and butt weld pipe fittings. We also supply stainless steel, nickel alloy & carbon steel sheets & plates, forged steel gate & ball valves, stainless steel & titanium round bars and ferrule fittings.