... spare parts manufacturer 1. Type: hardfacing, Tungsten carbide, 7 shape T.C 2. Application: Putzmeister trailer and truck mounted ... ≥95%Gas Hole Ratio≤0.01%Leading manufacturer for concrete pump spare parts, fitting to Putzmeister, Schwing, Kyokuto, ... and hardened) , elbow(welding& casting), reducer, rubber seal, pistons,coupling, intermiate ring, swing lever etc Concrete pump spare parts manufacturer ...