| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.62 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.37 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |