| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1696.14 | USD | 20251205 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1696.52 | USD | 20251204 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1693.79 | USD | 20251124 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1693.12 | USD | 20251121 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1692.41 | USD | 20251120 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |