We are the chinese manufacturer of concentric reducer with the good reputation..We mainly offer alloy steel reducer fittings with competitive price. Type: concentric reducer Connection: butt welded Size: 26"-48" dn15-dn1200 Thickness: sch20 std sch40 sch60 sch xs Material: alloy steel astm/asme a234 wp 1-wp 12-wp 11-wp 22-wp 5-wp 91-wp911¡¢15mo3 15crmov¡¢ 35crmov Applicable standard: asme/ansi b16.9 Quality: so9001:2008 Packaging: wooden cases or pallets, or as per clients'requirements Surface treatment: blasting, painting, typing Application: petroleum, chemical, machinery, electric power, shipbuilding, construction, etc Packaging: wooden cases or pallets, or as per clients'requirements Surface treatment: blasting, painting, typing