| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 891.27 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Hongxin Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Hongxin Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 990.3 | USD | 20251211 |