| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1030.71 | USD | 20251115 |
| Jinan Qi Mat | China national standards | MT | 1073.07 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 1073.07 | USD | 20251115 |
| Shandong Junfeng | China national standards | MT | 1200.14 | USD | 20251115 |
| Aite Zhejiang | China national standards | MT | 1129.54 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1214.26 | USD | 20251115 |
| Shandong Xima | China national standards | MT | 960.11 | USD | 20251114 |
| Shandong Qiangsen Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Dongying HuataiChem | China national standards | MT | 1058.95 | USD | 20251114 |
| Dongying HuataiChem | China national standards | MT | 1073.07 | USD | 20251114 |