Makhalidwe awo akuphatikizapo:
Mphamvu yayikulu: Njanji zimapangidwa ndi chitsulo chapamwamba kwambiri, chomwe chili ndi mphamvu zambiri komanso kuuma ndipo chimatha kulumikizana ndi zigawo zambiri mzere wa njanji.
Miyezo ya njanjiNthawi zambiri amakhazikitsidwa ndi bungwe lapadziko lonse lapansi chifukwa cha miyezo (ISO) ndi njanji zamakampani amtundu uliwonse. Nazi mfundo zina zodziwika bwino:
GB muyezo wachitsulo, Asia Real Steel, Symmer Steel njanji, jic Standard shiel, jis jin shiel sitima, ngati shale shiel, iscor shiel.
Post Nthawi: Apr-03-2024