... ,sch30,sch40.sch60,sch80,sch100,sch120,sch140,sch160CertificationISO 9001 certified. API. RAW material, Mill cert.Degree45D. 90D. 180DPackingWooden cases, ... more industrial pipe fittings. Being an ISO 9001:2000 and ISO 14001:2004 certified company with over ten years experience in the ... welding pipe fittings from D3mm to D159mm 6, High-medium-low pressure flanges and blind flanges from D18mm to D2420mm ...