| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1553.76 | USD | 20251126 |
| Shandong Jinling | China national standards | MT | 1137.07 | USD | 20251126 |
| Shandong Jinshenrun Chem | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong LuoHeng Chem | China national standards | MT | 1934.32 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Shandong Yihe Chem | China national standards | MT | 1080.11 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |