| Vendor | Spec | Unit | Price | Currency | Date |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 740.74 | USD | 20251121 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 740.77 | USD | 20251119 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 740.94 | USD | 20251118 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.97 | USD | 20251116 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.97 | USD | 20251115 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.56 | USD | 20251113 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.89 | USD | 20251112 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.55 | USD | 20251111 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.65 | USD | 20251110 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 729.85 | USD | 20251109 |