| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 945.99 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Hongxin Chem | China national standards | MT | 847.16 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Hongxin Chem | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 847.16 | USD | 20251115 |
| Shandong Xima | China national standards | MT | 974.23 | USD | 20251115 |
| Hebei Risun | China national standards | MT | 960.11 | USD | 20251115 |
| Shandong Xima | China national standards | MT | 974.23 | USD | 20251114 |