| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1031.13 | USD | 20251126 |
| Zhenjiang UnionChem | China national standards | MT | 798.07 | USD | 20251126 |
| Tongling ChemInd | China national standards | MT | 798.07 | USD | 20251126 |
| Shandong Hongxin Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Hebei Risun | China national standards | MT | 960.51 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Hongxin Chem | China national standards | MT | 1031.13 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 946.38 | USD | 20251126 |
| Zhenjiang UnionChem | China national standards | MT | 797.73 | USD | 20251125 |
| Shandong Hongxin Chem | China national standards | MT | 875.38 | USD | 20251125 |