| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 699.62 | USD | 20251210 |
| Shandong Wonfull Petro | China national standards | MT | 714.46 | USD | 20251210 |
| Zibo Qixiang Chem | China national standards | MT | 714.46 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 714.46 | USD | 20251210 |
| Shandong Wonfull Petro | China national standards | MT | 714.46 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 727.88 | USD | 20251210 |