Theknoloji e tsoetseng pele ea kaiyuanzhichuang rock arm e fa moepolli oa Sany 870 melemo eo ho seng mohla e kileng ea e-ba teng tabeng ea ho pshatla majoe le ho rafa mashala.
Matsoho a majoe a Kaiyuan, joalo ka letsoho le fapaneng, le loketse meepo e tsoang ka har'a theko ea rock, e joalo ka leqhubu la liqhomane, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shalet joalo-joalo E na le liphello tse ntle, matla a thepa e phahameng, tekanyo e tlaase ea ho hlōleha, matla a phahameng a matla ha a bapisoa le lihamore tse pshatlang, le lerata le tlaase. Rock Arm ke khetho ea pele ea lisebelisoa ntle le maemo a ho phatloha.