Thaum muaj coob tus neeg xav yuav aluminium profiles, lawv yuav xav txog dab tsi tus nqi ntawm aluminium profiles yog dab tsi thiab dab tsi cuam tshuam rau nws. Peb yuav tham txog qhov teeb meem no kom ntxaws hauv qab no.
Tsis muaj nqi kiag li rau txhuas profiles rau qhov rais thiab qhov rooj. Qhov tseem ceeb, ntau yam cuam tshuam rau tus nqi tshwj xeeb uas koj them kom tau txais cov khoom no, xws li hauv qab no;