| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1158.95 | USD | 20251203 |
| Shandong Jinling | China national standards | MT | 1137.74 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1434.55 | USD | 20251203 |
| Shandong Zhiheng | China national standards | MT | 1335.61 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1554.68 | USD | 20251203 |
| Dongying Huatai Chem | China national standards | MT | 1484.02 | USD | 20251203 |
| Dongying Huatai Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1484.02 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1264.95 | USD | 20251203 |