| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1214.12 | USD | 20251112 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 931.47 | USD | 20251110 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1213.73 | USD | 20251110 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1214.07 | USD | 20251107 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 931.35 | USD | 20251106 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1213.58 | USD | 20251106 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1212.96 | USD | 20251105 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 931.32 | USD | 20251103 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1213.54 | USD | 20251103 |
| Shanxi Hengxin Chemical Co., Ltd. | N220 | MT | 1213.32 | USD | 20251102 |