| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | Industrial Grade | MT | 591.19 | USD | 20260108 |
| Shandong Hualu | China national standards | MT | 597.54 | USD | 20260104 |
| Shandong Hualu | China national standards | MT | 597.54 | USD | 20260104 |
| Heze Zhuohang | China national standards | MT | 512.18 | USD | 20251231 |
| Heze Zhuohang | China national standards | MT | 518.85 | USD | 20251230 |
| Heze Zhuohang | China national standards | MT | 518.85 | USD | 20251230 |
| Heze Zhuohang | China national standards | MT | 526.08 | USD | 20251229 |
| Shandong Hualu | China national standards | MT | 611.39 | USD | 20251229 |
| Heze Zhuohang | China national standards | MT | 526.08 | USD | 20251229 |
| Shandong Hualu | China national standards | MT | 611.39 | USD | 20251229 |