... , Intermediate frequency bends from D18mm to D1220mm 2, Seamless elbows from D22mm to D820mm 3, Seamless tees, reducers, and caps from D25mm to D820mm 4, Pipe ... flanges and blind flanges from D18mm to D2420mm 7, Barred Tees from D18mm to D1220mm 8, Factory piping assemblies from D18mm to D1420mmCertificationAPICEISO9001Payment Terms 1. 30 ...