SHANXI SENMING FLANGE MANUFACTURE CO., LTD approved by ISO/PED, developed as a professional manufacturer of carbon steel, Alloy steel, Stainless steel, Duplix flanges,Super-duplix flanges,Nickel Alloys and Titanium alloy products. I. 100% PMI Inspection: Each finished flange before package is inspected by PMI(positive materival identification). It avoids any mixing of material and wrong hard stamping on flange.  II. 100% Heat Treatment: Heat treatment can stable mechanical of material. Senming proceed 100% heat treatment acc. to the related standard.  III. Complete production line: From cutting,forging,heat treatment,to CNC, all produced by ourselves workshop. IV. Fast & Flexible delivery: It has around 2000tons raw material in stock. Senming can handle any urgent project.