How much is the civil profit of Muyuan pigsty?

Tall man. The civil construction profit of Muyuan pigsty is 30%, which can be controlled at 38% to 45% under careful calculation, while the profit of the same industry is 10% to 25%, so it is on the high side. The civil works of Muyuan pig farm include civil works, water and electricity and other ancillary facilities. The building structure type is masonry steel composite structure, with constructional columns on the side walls and double-row closed pigsty.