| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 715.13 | USD | 20251211 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.46 | USD | 20251210 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.26 | USD | 20251209 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.35 | USD | 20251208 |
| 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 |