| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Xima | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1155.96 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1335.42 | USD | 20251208 |
| Shandong Jinling | China national standards | MT | 1137.58 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1554.46 | USD | 20251208 |
| Nanjing Runhua Chem | China national standards | MT | 1127.69 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1073.99 | USD | 20251208 |