| Vendor | Spec | Unit | Price | Currency | Date |
| Qilu Petrochem | China national standards | MT | 727.93 | USD | 20251206 |
| Shandong Chambroad | China national standards | MT | 734.99 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 734.99 | USD | 20251206 |
| Sinopec | China national standards | MT | 727.93 | USD | 20251206 |
| Shandong Chambroad | China national standards | MT | 1074.22 | USD | 20251205 |
| Jinan Jiaxing Chem | China national standards | MT | 890.47 | USD | 20251205 |
| Huizhou Jincheng Petro | China national standards | MT | 1102.49 | USD | 20251205 |
| Sinopec | China national standards | MT | 1074.22 | USD | 20251205 |
| Sinopec | China national standards | MT | 1102.49 | USD | 20251205 |
| Sinopec | China national standards | MT | 1102.49 | USD | 20251205 |