... On Required We are one of the specialized supplier of forged flanges in China. The annual production capacity is more than 6 ... DIN2637 PN100,DIN2638 PN160, 2. ANSI B16.5 carbon steel forged flanges,(Material A105,Q235)150LB,300LB,400LB,600LB,900LB,1500LB,2500LB ... 30K,40KSOPFF,SOPRF,SOHFF, SOHRF,BLFF,BLRF,WNRF,WNFF flanges 4.Italy Flanges(MaterialRst37.2,S235JRG2,A105)UNI2276,UNI2277,UNI2278, UNI6084, ...