Mitsubishi Aluminium alloy kauj ruam J hom J619003A201 J619000A201 escalator kauj ruam

Rau kev pom zoo ntawm cov khoom, thov muab cov escalator kauj ruam hom, qauv, pem hauv ntej thiab nraub qaum duab, kauj ruam dav, kauj ruam log qhov ntev; Japanese hom yuav muab cov ces kaum (Hitachi, Thyssen, Mitsubishi, Sigma, Fuji, Hyundai)