| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1950.42 | USD | 20251203 |
| Shandong Longhui Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Shandong Longhui Chem | China national standards | MT | 1949.32 | USD | 20251202 |
| Shandong Longhui Chem | China national standards | MT | 1950.28 | USD | 20251201 |
| Shandong Longhui Chem | China national standards | MT | 1639.37 | USD | 20251201 |
| Shandong Longhui Chem | China national standards | MT | 1638.67 | USD | 20251128 |
| Shandong Longhui Chem | China national standards | MT | 1949.46 | USD | 20251128 |
| Shandong Longhui Chem | China national standards | MT | 1949.73 | USD | 20251127 |
| Shandong Longhui Chem | China national standards | MT | 1638.9 | USD | 20251127 |
| Shandong Longhui Chem | China national standards | MT | 1949.26 | USD | 20251126 |