ALL SERIES OF PARTS pipe fitting 1. Supplier of AVK&USPipe 2.Certificate: SGS ISO9001:2000 3.Material: Ductile Iron/Gray Iron 1.Satandard:ANSI ,JIS ,DIN ,BS, ISO2.Kind of elbow:90D eblow,45D eblow,22.5D eblow,11.5D eblow If you are interested in our pipe fittings, please do not hesitate to contact me about the drawings and quantities and you are always welcomed to visit our company.