... ,XS,XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS STAINLESS STEEL L/R ELBOW TypeButt welded pipe fittingsSizeSeamless 1/2 ... , CCS,and ISO9001:2000Productivity150000 ton per yearKeywords:STAINLESS STEEL L/R ELBOW,carbon steel seamless pipe fittings,steel seamless pipe fittings ...