1. Clamps 2. Used in triplex single mud pump to connect piston rod and intermediate rod 3. Brand: Deshi ... 're Dezhou Rundong Petroleum Machinery Co.,Ltd,specializing in mud pump,fluid end.Our products mainly include valve seat and body ... , valve assy, liners, piston, piston rod and others mud pump parts.Our products have already gained ISO9001 quality management standard ...