| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 636.62 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 452.71 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 353.68 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 325.38 | USD | 20251211 |
| Shandong Yushuo Chem | 90% | MT | 495.15 | USD | 20251211 |
| Shandong Yushuo Chem | Industrial Grade | MT | 537.59 | USD | 20251211 |
| Shandong Yushuo Chem | 90% | MT | 495.15 | USD | 20251211 |
| Shandong Yushuo Chem | Industrial Grade | MT | 537.59 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 452.71 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 438.56 | USD | 20251211 |