Liaocheng Yiheng Machinery Co.,Ltd. was founded in 2005,located in Liaocheng City Shandong.Yiheng holds a 8000m² manufacture,producing and selling concrete pump pipe,concrete pump rubber hose,concrete pump elbows,concrete pump pipe flange (weld on collars),concrete pump clamp coupling,rubber seals,concrete pump reducer pipe,concrete pump cylinders, concrete pump piston,concrete pump wear plate and cutting ring...related spare parts and accessories to construction industry both in China and abroad.