... high quality and competitive price 4,OEM and ODM forged flange Shapestainless steel integral pipe flangeOD15mm-1500mmpressure class 150,300,600 ... industry, fire prevention, metallurgy, shipbuilding, fuel gas, nuclear electricity, urban construction, hot-water heat and environmental protection etc. Certificate ISO9001:2000 ... BS, ISO, GB/T, JB, SH, HGS and so on flange style SO,WN,IF,SW,TH,SE,BL and so ...