| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1224.99 | USD | 20251014 |
| Sinopec | China national standards | MT | 1224.99 | USD | 20251014 |
| Shandong Yuhuang Chem | China national standards | MT | 1365.79 | USD | 20251014 |
| Lihuayi Shandong | China national standards | MT | 1379.87 | USD | 20251014 |
| Lihuayi Shandong | China national standards | MT | 1379.87 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 1196.83 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 1196.83 | USD | 20251014 |
| Sinopec | China national standards | MT | 936.34 | USD | 20251014 |
| Shandong Yushuo Chem | China national standards | MT | 936.34 | USD | 20251014 |
| Shandong Yushuo Chem | China national standards | MT | 936.34 | USD | 20251014 |