| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1214.26 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1397.81 | USD | 20251115 |
| Shandong Xima | China national standards | MT | 917.76 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 1256.62 | USD | 20251115 |
| Shandong Jinling Chem | China national standards | MT | 1058.95 | USD | 20251115 |
| Shandong Jinling Chem | China national standards | MT | 1129.54 | USD | 20251115 |
| Aite Zhejiang | China national standards | MT | 1383.69 | USD | 20251115 |
| Dongying Huatai Chem | China national standards | MT | 1115.43 | USD | 20251115 |
| Shandong Yihe Chem | China national standards | MT | 1080.13 | USD | 20251115 |
| Shandong Junfeng | China national standards | MT | 1058.95 | USD | 20251115 |