| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Forest Tech | China national standards | MT | 183.34 | USD | 20251120 |
| Henan Forest Tech | China national standards | MT | 183.55 | USD | 20251115 |
| Henan Forest Tech | China national standards | MT | 183.55 | USD | 20251114 |
| Henan Forest Tech | China national standards | MT | 183.45 | USD | 20251113 |
| Henan Forest Tech | China national standards | MT | 183.53 | USD | 20251112 |
| Henan Forest Tech | China national standards | MT | 183.44 | USD | 20251111 |
| Henan Forest Tech | China national standards | MT | 183.47 | USD | 20251110 |
| Henan Forest Tech | China national standards | MT | 183.52 | USD | 20251108 |
| Henan Forest Tech | China national standards | MT | 183.52 | USD | 20251107 |
| Henan Forest Tech | China national standards | MT | 183.52 | USD | 20251107 |