| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Forest Tech | China national standards | MT | 183.91 | USD | 20251211 |
| Henan Forest Tech | China national standards | MT | 183.71 | USD | 20251208 |
| Henan Forest Tech | China national standards | MT | 183.71 | USD | 20251208 |
| Henan Forest Tech | China national standards | MT | 183.75 | USD | 20251205 |
| Henan Forest Tech | China national standards | MT | 183.74 | USD | 20251203 |
| Henan Forest Tech | China national standards | MT | 183.72 | USD | 20251201 |
| Henan Forest Tech | China national standards | MT | 183.64 | USD | 20251129 |
| Henan Forest Tech | China national standards | MT | 183.67 | USD | 20251127 |
| Henan Forest Tech | China national standards | MT | 183.55 | USD | 20251125 |
| Henan Forest Tech | China national standards | MT | 183.49 | USD | 20251124 |