Ntau tshaj 16 xyoo dhau los ntawm kev tsim cov nplooj hlav, cov khoom tiav tau sim los ntawm Kev Ntsuas Kev Ntsuas Tshuab, Arc Height Sorting Machine thiab Fatigue Testing Machine;Raw khoom los ntawm sab saum toj 3 steel mills, tag nrho cov khoom yog tsim nyob rau hauv high quality tiaj bar, kom ntseeg tau qhov zoo ntawm qhov chaw mus rau qhov kawg.
