| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chem | China national standards | MT | 1696.52 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 1569.28 | USD | 20251204 |
| Jinan Qi Mat | China national standards | MT | 1526.87 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1187.56 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 1639.97 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 1569.28 | USD | 20251204 |
| Jinan Qi Mat | China national standards | MT | 1526.87 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 1568.82 | USD | 20251203 |