1)size:1/2"-48" 2)service:OEM,design,buyer label 3)certificate:ISO9001:2000,QS-9000 4)standard:DIN,ASME,JPI, ... flange1)size:1/2" - 48"2)service:OEM, design service and buyer label service3)certificate:ISO9001:2000,QS-90004)standard:DIN,ASME,JPI ... days - 60 days or as customers requirementsRemarksWe also provide OEM service With advanced equipment, fine workmanship, complete quality control system, high ...