| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 961.09 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1271.67 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 904.3 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 904.3 | USD | 20251209 |
| Sinopec | China national standards | MT | 1010.27 | USD | 20251209 |
| Shandong Qiancheng | China national standards | MT | 1017.34 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 1031.47 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 1003.21 | USD | 20251209 |