Cov kev nruam extrusion yog ib tug revolutionary nyob rau hauv txoj kab uas tsis yog-ferrous hlau ua, nws yog siv rau ntau yam ntawm tooj liab, txhuas los yog tooj liab alloy pas nrig extrusion los ua ntau yam tiaj, puag ncig, tsheb npav bar, thiab profiled conductors, lwm.