... (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to contact us for more information. Our ... product range is as follows; 1. pipe line(wear-resistant seamless or welded tube)material:45Mn2,high quality alloy ... 28m hydraulic concrete spreader and manual spreaderintegrated hose end and inner wall hardened, prolong working life 4 plies of steel wire ...