| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1263.68 | USD | 20251114 |
| Shandong Jinling Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Shandong Jinling Chem | China national standards | MT | 1058.95 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1157.78 | USD | 20251114 |
| Shandong Yihe Chem | China national standards | MT | 1073.07 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1482.53 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1433.11 | USD | 20251114 |
| Shandong Jinling Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Shandong Jinling Chem | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying Huatai Chem | China national standards | MT | 1058.95 | USD | 20251114 |