| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runhua Chem | China national standards | MT | 1113.73 | USD | 20251210 |
| Nanjing Runhua Chem | China national standards | MT | 1127.69 | USD | 20251208 |
| Nanjing Runhua Chem | China national standards | MT | 1166.09 | USD | 20251205 |
| Nanjing Runhua Chem | China national standards | MT | 1165.35 | USD | 20251202 |
| Nanjing Runhua Chem | China national standards | MT | 1180.06 | USD | 20251201 |
| Nanjing Runhua Chem | China national standards | MT | 1179.73 | USD | 20251127 |
| Nanjing Runhua Chem | China national standards | MT | 1171.89 | USD | 20251125 |
| Nanjing Runhua Chem | China national standards | MT | 1164.48 | USD | 20251124 |
| Nanjing Runhua Chem | China national standards | MT | 1128.27 | USD | 20251120 |
| Nanjing Runhua Chem | China national standards | MT | 1129.05 | USD | 20251118 |