| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 537.07 | USD | 20251203 |
| Wuhan Hengjiu Chem | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.27 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 579.15 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 579.15 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 536.77 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 565.02 | USD | 20251202 |