| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 1455.36 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 1455.54 | USD | 20251208 |
| Shandong Laya Chem | China national standards | MT | 1455.85 | USD | 20251206 |
| Shandong Laya Chem | China national standards | MT | 1455.85 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 1455.85 | USD | 20251205 |
| Shandong Laya Chem | China national standards | MT | 1456.18 | USD | 20251204 |
| Shandong Laya Chem | China national standards | MT | 1455.75 | USD | 20251203 |
| Shandong Laya Chem | China national standards | MT | 1454.93 | USD | 20251202 |
| Shandong Laya Chem | China national standards | MT | 1455.65 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 1455.03 | USD | 20251129 |