| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1130.52 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1095.19 | USD | 20251208 |
| Shandong Jinling | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1049.97 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1201.18 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 1215.31 | USD | 20251208 |
| Dongying HuataiChem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1271.83 | USD | 20251208 |