| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 761.63 | USD | 20251105 |
| Wanhua Chem | China national standards | MT | 1022.55 | USD | 20251105 |
| Shaanxi Petro Yanan | China national standards | MT | 1062.04 | USD | 20251105 |
| Jiangsu Huachang Chem | China national standards | MT | 2157.94 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 2157.94 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 2186.15 | USD | 20251105 |
| Luxi Chem | China national standards | MT | 2157.94 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 2157.94 | USD | 20251105 |
| CNPC | China national standards | MT | 2157.94 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 2157.94 | USD | 20251105 |