| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1432.89 | USD | 20251107 |
| Sinopec | China national standards | MT | 1108.19 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1432.89 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1397.59 | USD | 20251107 |
| Shandong Jinling Chem | China national standards | MT | 1087.02 | USD | 20251107 |
| Shandong Yeyang Chem | China national standards | MT | 1115.25 | USD | 20251107 |
| Shandong Jinling Chem | China national standards | MT | 1087.02 | USD | 20251107 |
| Shandong Jinling Chem | China national standards | MT | 1115.25 | USD | 20251107 |
| Changzhou Juyun Mat | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Jinmao | China national standards | MT | 1298.77 | USD | 20251107 |