| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1017.54 | USD | 20251201 |
| Sinopec | China national standards | MT | 1102.33 | USD | 20251201 |
| Sinopec | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Chambroad | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Dongming Petro | China national standards | MT | 1879.62 | USD | 20251201 |
| Derun Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Qilu Petrochem | China national standards | MT | 727.51 | USD | 20251130 |
| Sinopec | China national standards | MT | 727.51 | USD | 20251130 |
| Shandong Chambroad | China national standards | MT | 727.51 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 734.58 | USD | 20251130 |