| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC | China national standards | MT | 578.03 | USD | 20251021 |
| CNOOC | China national standards | MT | 578.03 | USD | 20251021 |
| Shanghai Guoke | China national standards | MT | 711.97 | USD | 20251021 |
| Nanjing Baitu Chem | China national standards | MT | 620.33 | USD | 20251021 |
| Nanjing Baitu Chem | China national standards | MT | 620.33 | USD | 20251021 |
| Shandong Yihe Chem | China national standards | MT | 528.69 | USD | 20251021 |
| Shandong Yihe Chem | China national standards | MT | 535.74 | USD | 20251021 |
| Shandong Qiangsen Chem | China national standards | MT | 507.54 | USD | 20251021 |
| Shandong Jinwen Chem | China national standards | MT | 507.54 | USD | 20251021 |
| CNPC | China national standards | MT | 635.84 | USD | 20251021 |