| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1081.13 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1257.79 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 989.27 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1271.92 | USD | 20251201 |