| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.25 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 507.94 | USD | 20251122 |
| CNOOC | China national standards | MT | 564.37 | USD | 20251122 |
| Shandong Jinshenrun Chem | China national standards | MT | 564.37 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 536.16 | USD | 20251122 |
| Jinan Jinrihe Chem | China national standards | MT | 578.48 | USD | 20251122 |
| Liao Jinxinda | China national standards | MT | 529.1 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |