| Quantity | Discount | Work Time |
|---|---|---|
| 1-20 | reduce 1% | 7-10 days |
| 21-100 | reduce 2% | 10-15 days |
| 101-200 | reduce 3% | 15-20 days |
| 201-400 | reduce 4% | 20-25 days |
| 401-600 | reduce 5% | 25-30 days |
| 601-800 | reduce 6% | 30-35 days |
| 801-1000 | reduce 7% | 35-40 days |
| 1001-1200 | reduce 8% | 40-45 days |
| 1201-1400 | reduce 9% | 45-50 days |
| 1401-Max | reduce 10% | 50-Max days |