Iphepha lophahlayaveliswa eUnited States ngeminyaka yee-1930.Ekuqaleni kweminyaka yee-1980, i-Wuhan Iron kunye ne-Steel kunye ne-Baosteel yaqala yazisa imigca yokuvelisa intsimbi enombala.Ukusukela ngoko, ilizwe lam sele liqalisile ukusebenzisa iiphaneli zeprofayili ezigqunywe ngombala wasekhaya kwizakhiwo zoshishino, ezifana neShandong Master Plant, iNational Cotton kunye neGrain Warehouse, Izityalo kwiindawo ezahlukeneyo zophuhliso, njl.njl. itekhnoloji, umda wesicelo uyaqhubeka nokwandisa kwaye umthamo uyaqhubeka nokukhula.
Ukungena kwinkulungwane yama-21, uqoqosho lwelizwe lam lukhule ngokukhawuleza kwaye ngokuthe ngcembe.Amashiti anophahla agqunywe ngemibalabala nawo aye angena kwizakhiwo zikawonke wonke ezinkulu kuyo yonk’ indawo ukusuka kwizakhiwo zemizi-mveliso eqhelekileyo, njengezikhululo zeenqwelo-moya, izikhululo zikaloliwe, amabala emidlalo, iiholo zekonsathi neeholo ezinkulu zemiboniso.Ngo-2008 iindawo zeOlimpiki.Uphahla, umgangatho kunye nodonga lwesakhiwo luthatha uhlobo lwepleyiti kunye noxinzelelo olufanelekileyo kunye nokudibanisa, kwaye indlela yokwakha inzululwazi ngakumbi kwaye ukuxhathisa ukubola kunamandla.Ipleyiti ye-aluminium-zinc, ipleyiti ye-aluminium-magnesium-manganese, ipleyiti ye-titanium alloy, insimbi engenasici, njl.
Ixesha lokuposa: Dec-30-2021