Concrete pump spare parts for PUTZMEISTER,SCHWING and so on Shanxi Chiart Machinery Equipment Co., Ltd. mainly produce and export ... concrete pump spare parts for PUTZMEISTER,SCHWING and so on.. Products include steel reducers, boom elbow, pipe bends, twin wall ... hose, hose stems and ferrules, gaskets, clean out balls, weld on ends, cutting ring, glasses plates, boom pipe, deck pipe, steel ...