| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 1017.61 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 961.08 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 946.94 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 961.08 | USD | 20251203 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1017.61 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 961.08 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 1031.74 | USD | 20251203 |
| Sinopec | China national standards | MT | 869.21 | USD | 20251203 |
| Sinopec | China national standards | MT | 961.08 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 961.08 | USD | 20251203 |