... . construction team 4.Cost Effective:900USD ZHM are specialized in designing, manufacturing and prefabricating kinds of steel structures, ... , markets, warehouses, garages, sports venues, workshops, stations, roof constructions, office -buildings, convention centres, stadiums, commercial centres, ... 1.Dimension: length, width, height, eave height, roof pitch, etc 2.Doors and windows: dimension, quantity, ...