... of flange size:DN15-DN2000 material:cs&ss pressure:5k,10k,16k,20k,30k,150# to 2500#,PN6-PN40 professional manufacuture of ... 316Ti and etc We are a professional manufacture doing flange field for more than ten years.We have been ... on the long-time experiences,we have a team of skilled worker and international expert sales. We can ... factory and have a business disussion. professional manufacture of flange