| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 903.13 | USD | 20251113 |
| Shandong Huize Chem | China national standards | MT | 903.11 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 902.45 | USD | 20251023 |
| Shandong Huize Chem | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Huize Chem | China national standards | MT | 900.12 | USD | 20251009 |