| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Baipo Chem | China national standards | MT | 339.11 | USD | 20251209 |
| Shijiazhuang Baipo Chem | China national standards | MT | 332.09 | USD | 20251208 |
| Shandong Yuxuan Chem | China national standards | MT | 353.29 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 322.2 | USD | 20251208 |
| Shandong Luxi Chem | China national standards | MT | 551.13 | USD | 20251208 |
| Shandong Shuntian Chem | China national standards | MT | 332.09 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 361.77 | USD | 20251208 |
| Nantong Zhonghe Chem | China national standards | MT | 390.03 | USD | 20251208 |
| Shandong Yuxuan Chem | China national standards | MT | 353.29 | USD | 20251208 |
| Shandong Yuxuan Chem | China national standards | MT | 353.36 | USD | 20251206 |