Zhejiang ShenPu Flange&Pipe Fittings Co., Ltd. nowday has developed as a professional manufacturer of stainless steel flange, pipe fittings.Valves. There're some reaons you choose Superior. *100% PMI InspectionEach finished flange before package is inspected by PMI(positive materival identification). It avoids any mixing of material and wrong hard stamping on flange.*100% Heat TreatmentHeat treament can stable mechanical of material.Longrun proceed 100% heat treatment acc. to EN10222-5 ,ASME A182.*100% Dimension InspectionTechnician contract tolerance based on standard when issuing drawing for worker.So,dimension is strictly controlled on lath machining. Eventhough,our QC inspects each part of each dimension ofevery piece.*100% ExportingFocus on global business,Superior's customers are all over world. All of our flanges are for exporting. We have good experience on logestic, to help our customer solve many problem.* Response within 24hoursAs long as receive enquiry,our sales representative can response within One dayby e-mail or phone.