| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1189.72 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1271.67 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1179.83 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1215.15 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1116.24 | USD | 20251209 |