| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad | China national standards | MT | 727.46 | USD | 20251202 |
| Sinopec | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Yaoming Chem | China national standards | MT | 741.59 | USD | 20251202 |
| Shandong Dongming Petro | China national standards | MT | 786.79 | USD | 20251202 |
| Shandong Chambroad | China national standards | MT | 734.53 | USD | 20251202 |
| Derun Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Chambroad | China national standards | MT | 734.53 | USD | 20251202 |
| Sinopec | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| CNPC | China national standards | MT | 847.53 | USD | 20251202 |