| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1095.05 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Jinling | China national standards | MT | 1073.86 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Xiamen Yudeshun Chem | China national standards | MT | 1624.91 | USD | 20251209 |
| Jinan Qi Mat | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 1257.54 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 1080.92 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1130.37 | USD | 20251209 |