| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 945.37 | USD | 20251119 |
| Shandong Laya Chem | China national standards | MT | 747.83 | USD | 20251119 |
| Shandong Hanyue Chem | China national standards | MT | 705.5 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 726.66 | USD | 20251119 |
| Shandong Hanyue Chem | China national standards | MT | 705.5 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 705.5 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 726.66 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 726.66 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 726.66 | USD | 20251119 |