... ,bearing for pump and other pump accessories. 2.We make various pump parts of Water pumps,draining pump,draw-off pump,dredgepump,drum pump,wear pump,etc. 3 ... , Turning, millings, drilling&tapping, Grinding, Slotting, Spark-erosion machining. 5.Heat treatments available: Annealing, normalizing, tempering, nitriding, induction hardening 6.Finishing ...