Pump spare parts - Impeller higher cost-effective, complete range of pumps sizes Feature:Shijiazhuang Tech-Macro Pump Industry Co., Ltd offers the highest quality pumps and pump parts. Our offer including complete range of replacement parts of slurry pumps sizes 1.5x1 to 14x12. Models:AH, HH, M, L, G, GH, etc. Material:A49, A 33, A31, A05, etc.