Nke a bụ ọnụ ụzọ aluminom Bi-fold, nke kachasị emeghe iji mee ka ụlọ gị dịkwuo mma.
Enwere ike ịhazi nha ya kpam kpam, enweghị oke ifufe.
Window iko aluminom dị elu
Profaịlụ aluminom: mkpuchi mkpuchi ntụ ntụ Top-ọkwa okpomọkụ maka profaịlụ aluminom, ọkpụrụkpụ si 1.4mm ruo 2.0mm.
Glass: Ugboro abụọ oyi akwa mkpuchi mkpuchi mkpuchi mkpuchi: Nkọwapụta 5mm+20Ar+5mm.
Usoro ihe nrịbama ọhụrụ nwere sistemu okpukpu okpukpu abụọ nke iko aluminom.
Nhazi na nkọwapụta ahaziri dị adị.