| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong LuoHeng Chem | China national standards | MT | 1931.54 | USD | 20251024 |
| Shandong Jinling Chem | China national standards | MT | 1099.71 | USD | 20251024 |
| Dongying Huatai Chem | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1254.97 | USD | 20251023 |
| Dongying Huatai Chem | China national standards | MT | 1480.58 | USD | 20251023 |
| Jinan Aochen Chem | China national standards | MT | 1551.09 | USD | 20251023 |
| Shandong Yihe Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Xima | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Xingpeng Chem | China national standards | MT | 1057.56 | USD | 20251023 |