... ,150# to 2500#,PN6-PN40 professional manufacuture of flangesize:DN15-DN2000material:cs&sspressure:5k,10k,16k ... ,30k,150# to 2500#,PN6-PN40professional manufacuture of flange1.Size:DN15 to DN2000,1/2" ... per year9.Delivery: usually within one month after receiving the formal order10.Inspection: factory in-house ... the long-time experiences,we have a team of skilled worker and international expert sales. We ...