| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Rongnuo Chem | 40% | MT | 537.59 | USD | 20251211 |
| Shandong Rongnuo Chem | 40% | MT | 537.08 | USD | 20251210 |
| Shandong Rongnuo Chem | 55% | MT | 777.13 | USD | 20251209 |
| Shandong Rongnuo Chem | 55% | MT | 777.23 | USD | 20251208 |
| Shandong Rongnuo Chem | 55% | MT | 777.4 | USD | 20251207 |
| Shandong Rongnuo Chem | 55% | MT | 777.4 | USD | 20251206 |
| Shandong Rongnuo Chem | 55% | MT | 777.4 | USD | 20251205 |
| Shandong Rongnuo Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Rongnuo Chem | 40% | MT | USD | 20251203 | |
| Shandong Rongnuo Chem | 40% | MT | USD | 20251202 |