The fast rolling door is a common industrial door . Iine maitiro ekurwisa-kuba, kuchengetedza kupisa, kuchengetedza simba, nezvimwewo, uye inoshandiswa zvakanyanya munzvimbo dzakasiyana. Usati washandisa gonhi rekukurumidza kutenderedza shutter, rinoda kugadziriswa kuti ive nechokwadi chekushanda kwayo. Ichi chinyorwa chinopa ...
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