1.Concrete pump spare parts manufacturer 2.Size: DN180, DN200, DN230(Big mouth) 3 ... ,000CBM 4.Material: T.C. Concrete pump spare parts manufacturer 1. Type: hardfacing, Tungsten carbide, 7 shape T. ... ResistanceCompactness≥110MPa≥95%Gas Hole Ratio≤0.01%Leading manufacturer for concrete pump spare parts, fitting to Putzmeister, Schwing ... ring, swing lever etc Concrete pump spare parts manufacturer