| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1073.54 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1108.85 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1045.29 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Zhiheng | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1045.29 | USD | 20251202 |