| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 995.05 | USD | 20250928 |
| Shandong Zhenkun | China national standards | MT | 995.05 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 983.81 | USD | 20250928 |
| Dongying Huatai Chem | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong Jinling Chem | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong Jinling | China national standards | MT | 1124.35 | USD | 20250928 |
| Dongying Huatai Chem | China national standards | MT | 1475.71 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1545.99 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1545.99 | USD | 20250928 |