... modular crane weighing 125kg-2000kg.it includes JKBK-D single-track,JKBK-LD single beam,JKBK-LS double-beam ... the Summarized below.1.reliability,high stabilityJKBK crane rail system all the components is a standard ... ,runing efficiently.JKBK-LD flexibel single girde suspension cranesingle girder overhead crane,single girder bridge crane,single girder gantry crane flexibel single girde suspension ...