... ,sch30,sch40.sch60,sch80,sch100,sch120,sch140,sch160CertificationISO 9001 certified. API. RAW material, Mill cert.Degree45D. 90D. 180DPackingWooden cases, ... offer a wide range of products at industry leading price with the help of sophisticated technology and well-distributed network. ... welding pipe fittings from D3mm to D159mm 6, High-medium-low pressure flanges and blind flanges from D18mm to D2420mm ...