... ,15m,18m,20m,21m,25m,30m,40m.2)Length: not limited,extended by 3m and 5m.3)Eave height: from 2m ... , 1 hour train from Shanghai city, 2 hours flight from Beijing airport/ Guangzhou airportFactory and showroomFactory production dept and Install Team ... Shanghai to my factory 2-hour airplane from Guangzhou city /Beijing city to my factory3. How to inquire? My manufactory custom ...