... , high quality and competitive price 4,OEM and ODM forged flange Shapestainless steel integral pipe flangeOD15mm-1500mmpressure class 150,300,600 ... , BS, ISO, GB/T, JB, SH, HGS and so on flange style SO,WN,IF,SW,TH,SE,BL and so on ... flange facing RF,MF,FMF,FF,RJ,MFM,TG and so ...