| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | 37% | MT | 143.52 | USD | 20250901 |
| Shandong Xima | 37% | MT | 142.11 | USD | 20250901 |
| Shandong Xima | 37% | MT | 142.19 | USD | 20250830 |
| Shandong Qiangsen Chem | 37% | MT | 143.6 | USD | 20250830 |
| Shandong Qiangsen Chem | 37% | MT | 143.6 | USD | 20250829 |
| Shandong Xima | 37% | MT | 142.19 | USD | 20250829 |
| Shandong Xima | 37% | MT | 142.13 | USD | 20250828 |
| Jinan Chuangtong Chem | 37% | MT | 146.35 | USD | 20250828 |
| Shandong Qiangsen Chem | 37% | MT | 143.53 | USD | 20250828 |
| Shandong Qiangsen Chem | 37% | MT | 143.44 | USD | 20250827 |