| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Jiaye Chemical Co., Ltd. | 85% | MT | 1031.13 | USD | 20251126 |
| Changzhou Jiaye Chemical Co., Ltd. | 85% | MT | 1030.45 | USD | 20251029 |
| Changzhou Jiaye Chemical Co., Ltd. | 85% | MT | 1029.18 | USD | 20251021 |
| Changzhou Jiaye Chemical Co., Ltd. | 85% | MT | 1026.94 | USD | 20250918 |