| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1244.56 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 897.83 | USD | 20251018 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251018 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1247.37 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251018 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 897.83 | USD | 20251018 |