| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.04 | USD | 20251127 |
| Shandong Junfeng | China national standards | MT | 1059.64 | USD | 20251127 |
| Shandong Yeyang Chem | China national standards | MT | 1102.02 | USD | 20251127 |
| Dongying Huatai Chem | China national standards | MT | 1483.49 | USD | 20251127 |
| Shandong Jinwen Chem | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Laya Chem | China national standards | MT | 974.63 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 1553.76 | USD | 20251126 |
| Dongying Huatai Chem | China national standards | MT | 1483.13 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 1553.76 | USD | 20251126 |
| Dongying Huatai Chem | China national standards | MT | 1101.76 | USD | 20251126 |