the following question we need to know before making the price.
1 Location (where will be built?) _____country, area
2 Size: length*width*height _____mm*_____mm*_____mm
3 wind load (max. wind speed) _____kn/m2, _____km/h, _____m/s
4 snow load (max. snow height) _____kn/m2, _____mm
5 anti-earthquake _____level
6 brickwall needed or not If yes, 1.2m high or 1.5m high
7 thermal insulation If yes, EPS, fiberglass wool, rockwool, PU sandwich panels will be suggested; . if not, the metal steel sheets will be ok. The cost of the latter will be much 
lower than that of the former  
8 door quantity & size _____units, _____(width)mm*_____(height)mm
9 window quanity & size _____units, _____(width)mm*_____(height)mm
10 crane needed or not If yes, _____units, max. lifting weight____tons; max. lifting height _____m