flange for Schwing and PM pumping

we are manufacuture of concrete pump parts ,and our main products are delivery pipe,elbow ,reducer,flange(starded flange, male and female flange),coupling ,snap coupling , rubber hose,wear plate, rubber seal ,S tube, etc, we would like to quote the best possible price on the basis of good quality ,welcom you to contact us and your inquiry will recive our prompt reply.