| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1637.84 | USD | 20251115 |
| Shandong Longhui Chem | China national standards | MT | 1637.84 | USD | 20251114 |
| Shandong Longhui Chem | China national standards | MT | 1948.46 | USD | 20251114 |
| Shandong Longhui Chem | China national standards | MT | 1637.65 | USD | 20251112 |
| Shandong Longhui Chem | China national standards | MT | 1948.24 | USD | 20251112 |
| Shandong Longhui Chem | China national standards | MT | 1636.89 | USD | 20251111 |
| Shandong Longhui Chem | China national standards | MT | 1947.34 | USD | 20251111 |
| Shandong Longhui Chem | China national standards | MT | 1637.12 | USD | 20251110 |
| Shandong Longhui Chem | China national standards | MT | 1947.61 | USD | 20251110 |
| Shandong Longhui Chem | China national standards | MT | 1948.16 | USD | 20251107 |