| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 535.96 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 536.08 | USD | 20251104 |
| Jinan Angxin Chem | China national standards | MT | 564.29 | USD | 20251104 |
| Shandong Yushuo Chem | China national standards | MT | 564.29 | USD | 20251104 |
| Shandong Jinshenrun Chem | China national standards | MT | 592.51 | USD | 20251104 |
| Shandong Fusheng | China national standards | MT | 578.4 | USD | 20251104 |
| Shandong Fusheng | China national standards | MT | 564.29 | USD | 20251104 |
| Shandong Jinshenrun Chem | China national standards | MT | 592.66 | USD | 20251103 |
| Jinan Angxin Chem | China national standards | MT | 564.44 | USD | 20251103 |
| Shandong Yushuo Chem | China national standards | MT | 564.44 | USD | 20251103 |