| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 698.69 | USD | 20251124 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251123 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.58 | USD | 20251122 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251122 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.58 | USD | 20251122 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |