| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.4 | USD | 20251013 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1246.36 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1295.65 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1295.65 | USD | 20251013 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1288.61 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1042.15 | USD | 20251013 |