... DN150,DN175,so onTechnicalForging, high-temperature 1200 forging and intoAppicationConnection of Concrete pump and pump truck pipelineUsed forSchwing, PM, Kyokuto ... , Sany, Zoomlion, Ihi, Niigata1.We are a manufacturer of flange and concrete pump pipe clamp,which use the national ... technology, the hardness is 62-64 °.3.This series of products is high abrasion resistance.It is long service life ...