| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 232.81 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 245.51 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 246.92 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 245.51 | USD | 20251119 |
| Shandong Jinling Chem | China national standards | MT | 242.69 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 317.47 | USD | 20251119 |
| Shandong Jinling Chem | China national standards | MT | 242.69 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 253.98 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 246.92 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 246.92 | USD | 20251119 |