| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 859.48 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 859.77 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 859.54 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 859.22 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 858.9 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 915.22 | USD | 20251014 |