| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 508.07 | USD | 20251028 |
| Nanjing Baitu Chem | China national standards | MT | 620.98 | USD | 20251028 |
| Nanjing Baitu Chem | China national standards | MT | 620.98 | USD | 20251028 |
| CNOOC | China national standards | MT | 578.64 | USD | 20251028 |
| CNOOC | China national standards | MT | 578.64 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 578.64 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 578.64 | USD | 20251028 |
| Shandong Fusheng | China national standards | MT | 564.53 | USD | 20251028 |
| Shandong Fusheng | China national standards | MT | 705.66 | USD | 20251028 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.43 | USD | 20251028 |