| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 825.4 | USD | 20251122 |
| Lihuayi Shandong | China national standards | MT | 839.51 | USD | 20251122 |
| Luxi Chem | China national standards | MT | 874.78 | USD | 20251122 |
| Jinan Jinrihe Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Luxi Chem | China national standards | MT | 1777.78 | USD | 20251121 |
| Luxi Chem | China national standards | MT | 1777.78 | USD | 20251121 |
| Sinopec | China national standards | MT | 1008.82 | USD | 20251121 |
| Luxi Chem | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1015.87 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 832.45 | USD | 20251121 |