| No. | Item | Specification |
| 1 | Size | Width x Length x Height, roof slope etc. |
| 2 | type | single span, double span, multi-span, single floor, double floors, or multi floors |
| 3 | foundation | concrete and steel anchor bolts |
| 4 | column and beam | hot rolled or welded H section steel etc. material Q235 or Q345 etc. |
| 5 | bracing | X or V type etc. made from round bar or angle iron etc. |
| 6 | purlin | C or Z or H purlin, C100~C320, Z100~Z320 |
| 7 | roof and wall panel | single colorful corrugated steel sheet, sandwich panel with EPS, rock wool, fiber glass, PU etc. insulation. |
| 8 | window and door | PVC or Aluminum alloy windows, sandwich panel sliding door or steel rolling door etc. |
| 9 | accessories | semi-transparent skylight, ventilators, gutter, downpipe etc. |