| No. | Num | Size | Position | Price | Production fee |
|---|---|---|---|---|---|
| XC-G4-01~04 | 4 pillars/set | 1.43mx2.27m | Arriving at the negative level of the entrance | 1.6 million yuan/set/year | According to the actual situation |
| No. | XC-G4-01~04 |
|---|---|
| Num | 4 pillars/set |
| Size | 1.43mx2.27m |
| Position | Arriving at the negative level of the entrance |
| Price | 1.6 million yuan/set/year |
| Production fee | According to the actual situation |