| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chem | N220 | MT | 945.58 | USD | 20251118 |
| Shanxi Hengxin Chem | N220 | MT | 1213.73 | USD | 20251118 |
| Shanxi Hengxin Chem | N220 | MT | 1214.41 | USD | 20251117 |
| Shanxi Hengxin Chem | N220 | MT | 1214.26 | USD | 20251114 |
| Shanxi Hengxin Chem | N220 | MT | 945.99 | USD | 20251114 |
| Shanxi Hengxin Chem | N220 | MT | 1214.12 | USD | 20251112 |
| Shanxi Hengxin Chem | N220 | MT | 931.47 | USD | 20251110 |
| Shanxi Hengxin Chem | N220 | MT | 1213.73 | USD | 20251110 |
| Shanxi Hengxin Chem | N220 | MT | 1214.07 | USD | 20251107 |
| Shanxi Hengxin Chem | N220 | MT | 931.35 | USD | 20251106 |