| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1108.93 | USD | 20251128 |
| Shandong Jinwen Chem | China national standards | MT | 1045.36 | USD | 20251128 |
| Shandong Xima | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Laya Chem | China national standards | MT | 1002.98 | USD | 20251128 |
| Shandong Jinwen Chem | China national standards | MT | 1045.36 | USD | 20251128 |
| Shandong Zhenkun | China national standards | MT | 1080.68 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1080.68 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1285.51 | USD | 20251128 |