| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 565.0 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 579.13 | USD | 20251126 |
| Jinan Angxin Chem | China national standards | MT | 564.76 | USD | 20251125 |
| Shandong Yushuo Chem | China national standards | MT | 564.76 | USD | 20251125 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 564.76 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 578.88 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 564.76 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 564.6 | USD | 20251124 |
| Shandong Fusheng | China national standards | MT | 578.71 | USD | 20251124 |