| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 564.6 | USD | 20251124 |
| Shandong Fusheng | China national standards | MT | 578.71 | USD | 20251124 |
| Shandong Yushuo Chem | China national standards | MT | 564.6 | USD | 20251124 |
| Shandong Fusheng | China national standards | MT | 564.6 | USD | 20251124 |
| Shandong Jinshenrun Chem | China national standards | MT | 592.59 | USD | 20251123 |
| Shandong Jinshenrun Chem | China national standards | MT | 592.59 | USD | 20251122 |
| Jinan Angxin Chem | China national standards | MT | 564.37 | USD | 20251122 |
| Shandong Fusheng | China national standards | MT | 564.37 | USD | 20251121 |
| Shandong Jinshenrun Chem | China national standards | MT | 592.59 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 536.16 | USD | 20251121 |