| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 565.02 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 579.15 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 508.52 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 515.58 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 621.52 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.02 | USD | 20251202 |