| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 637.06 | USD | 20251202 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.02 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 579.15 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 529.71 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 508.52 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 536.77 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |