| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1042.33 | USD | 20251015 |
| Shandong Zhenkun | China national standards | MT | 997.25 | USD | 20251015 |
| Shandong Zhenkun | China national standards | MT | 997.25 | USD | 20251015 |
| Shandong Jinmao | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Jinling Chem | China national standards | MT | 1098.67 | USD | 20251015 |
| Dongying Huatai Chem | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Laya Chem | China national standards | MT | 971.9 | USD | 20251015 |
| Shandong Jinling | China national standards | MT | 1126.84 | USD | 20251015 |
| Xiamen Yudeshun Chem | China national standards | MT | 1676.17 | USD | 20251015 |
| Xiamen Yudeshun Chem | China national standards | MT | 1549.4 | USD | 20251015 |