| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chem | N220 | MT | 945.58 | USD | 20251028 |
| Shanxi Hengxin Chem | N220 | MT | 1213.3 | USD | 20251027 |
| Shanxi Hengxin Chem | N220 | MT | 1212.5 | USD | 20251024 |
| Shanxi Hengxin Chem | N220 | MT | 1212.67 | USD | 20251023 |
| Shanxi Hengxin Chem | N220 | MT | 972.46 | USD | 20251022 |
| Shanxi Hengxin Chem | N220 | MT | 1212.05 | USD | 20251022 |
| Shanxi Hengxin Chem | N220 | MT | 1212.46 | USD | 20251021 |
| Shanxi Hengxin Chem | N220 | MT | 1211.73 | USD | 20251020 |
| Shanxi Hengxin Chem | N220 | MT | 986.29 | USD | 20251020 |
| Shanxi Hengxin Chem | N220 | MT | 1212.14 | USD | 20251017 |