| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1104.31 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1104.31 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1181.68 | USD | 20250918 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1111.35 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1294.23 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1294.23 | USD | 20250918 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |