| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 741.75 | USD | 20251127 |
| Suzhou ChemMat | China national standards | MT | 774.06 | USD | 20251126 |
| Changzhou Qidi Chem | China national standards | MT | 918.13 | USD | 20251126 |
| Suzhou ChemMat | China national standards | MT | 774.06 | USD | 20251126 |
| CNPC | China national standards | MT | 741.57 | USD | 20251126 |
| Sinopec | China national standards | MT | 769.82 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 889.88 | USD | 20251126 |
| Sinopec | China national standards | MT | 762.75 | USD | 20251126 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Changzhou Qidi Chem | China national standards | MT | 918.13 | USD | 20251126 |