| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 941.65 | USD | 20250926 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1222.73 | USD | 20250926 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1363.28 | USD | 20250926 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1222.73 | USD | 20250926 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1377.33 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1194.63 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |