| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 790.34 | USD | 20251118 |
| Sinopec | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Laya Chem | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Aite Chem | China national standards | MT | 946.11 | USD | 20251117 |
| Shandong Aite Chem | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Aite Chem | China national standards | MT | 889.63 | USD | 20251117 |
| Jinan Jinhao Chem | China national standards | MT | 1115.57 | USD | 20251117 |
| Jinan Jinhao Chem | China national standards | MT | 1115.57 | USD | 20251117 |
| Shandong Yaoming Chem | China national standards | MT | 833.15 | USD | 20251117 |
| Shandong Yaoming Chem | China national standards | MT | 833.15 | USD | 20251117 |