| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1551.9 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 1431.98 | USD | 20251027 |
| Dongying Huatai Chem | China national standards | MT | 1099.71 | USD | 20251026 |
| Shandong Xingpeng Chem | China national standards | MT | 1113.81 | USD | 20251026 |
| Shandong Jinmao | China national standards | MT | 1099.71 | USD | 20251026 |
| Shandong Xingpeng Chem | China national standards | MT | 1057.41 | USD | 20251026 |
| Dongying Huatai Chem | China national standards | MT | 1099.71 | USD | 20251026 |
| Shandong Jinling Chem | China national standards | MT | 1099.71 | USD | 20251026 |
| Shandong Jinshenrun Chem | China national standards | MT | 1127.9 | USD | 20251026 |
| Shandong Jinling Chem | China national standards | MT | 1127.9 | USD | 20251026 |