| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiang UnionChem | China national standards | MT | 2330.53 | USD | 20260410 |
| Yutai Senzhihai | China national standards | MT | 2257.7 | USD | 20260410 |
| Shandong Chambroad | China national standards | MT | 2476.18 | USD | 20260410 |
| Heze Dingtai | China national standards | MT | 2694.67 | USD | 20260410 |
| Heze Junshu | China national standards | MT | 2767.5 | USD | 20260410 |
| Shandong Ming Hao | China national standards | MT | 2694.67 | USD | 20260410 |
| Zhenjiang UnionChem | China national standards | MT | 2330.7 | USD | 20260409 |
| Yutai Senzhihai | China national standards | MT | 2257.86 | USD | 20260409 |
| Shandong Chambroad | China national standards | MT | 2476.37 | USD | 20260409 |
| Heze Dingtai | China national standards | MT | 2694.87 | USD | 20260409 |