Cov khaub ncaws khib nyiab no muaj lub zog muaj zog aluminium-magnesium alloy thav duab nrog ib puag ncig tus phooj ywg automotive-qib hlau txheej, ua rau nws tsis tsuas yog hnav-resistant thiab xeb-pov thawj tab sis kuj muaj kev nyab xeeb thiab eco-phooj ywg.