| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1766.71 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 1766.43 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1765.69 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1765.69 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1765.81 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 1763.92 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 1763.89 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 1762.6 | USD | 20251023 |
| Shandong Huize Chem | China national standards | MT | 1760.69 | USD | 20251015 |
| Shandong Huize Chem | China national standards | MT | 1758.04 | USD | 20251009 |