| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.5 | USD | 20251207 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.5 | USD | 20251205 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.66 | USD | 20251204 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 741.59 | USD | 20251202 |