... , lower percent of passabout 15 days,lower percent of passCostmade from film faced plywood, short construction period, don't need hoisting ... have 400mm, 700mm, 800mm, 900mm, and 1200mm, different heights from 3m to 6m, 800 circular columns in totally.Through our PENGCHENG formwork ... . The total cost is about USD 110,000.00.If to make use of STEEL formwork, it will need 15 days and ...