... pipe and pipe fittings which has attained ISO9001:2000 Quality Certification in China. We pay great attention to quality control and service ... -1420MATERIAL: A234WPB,A283,A105,A53,A106,API5LSTANDARD: ASTM/ANSI,DIN,ISO,GB,JIS,BS OTHERS:1. Special design available according to ... requirement2. All the production process are made under the ISO 9001:2000 strictly. carbon steel elbow 219*8