... clamp , male and female flange ,rubber hose,sponge rubber ball,wear plate etc. Welcome to contact us for more ... information.Our product range is as follows; 1. pipeline(wear-resistant seamless tube)material:45Mn2,high ... reducer Material:45Mn2,Length:1.2M,1.6m,all size as to your request5.sponge cleaning ball Material:natural rubber Size ... sealing rings without lip(3'',4'',5'',6'',7'',8'',9'')