... 2.GB, ANSI, DIN, JIS, Seamless pipe fittings 3.ISO9001:2000, API 4. Elbow, Tee, Cap, Reducer Cangzhou RIze Steel ... steel capSize: 1/2''-48''Thickness: SCH5-160Quality certificate: ISO9001-2000, API certificationRang of application: chemical industry, petroleum industry, ... steel concentric & Eccentric reducer1)Size :1/2''-48''2)Quality certificate: API certification; ISO 9001-2000Standards: JIS, ANSI/ ...