| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenjiang UnionChem | China national standards | MT | 2476.08 | USD | 20260413 |
| Yutai Senzhihai | China national standards | MT | 2257.6 | USD | 20260413 |
| Shandong Chambroad | China national standards | MT | 2476.08 | USD | 20260413 |
| Heze Dingtai | China national standards | MT | 2694.55 | USD | 20260413 |
| Heze Junshu | China national standards | MT | 2767.38 | USD | 20260413 |
| Shandong Ming Hao | China national standards | MT | 2694.55 | USD | 20260413 |
| 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 |