| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 955.7 | USD | 20250926 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250926 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250926 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1243.82 | USD | 20250926 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1243.82 | USD | 20250926 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1241.01 | USD | 20250926 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1110.3 | USD | 20250926 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |