| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 880.62 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.18 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.36 | USD | 20251013 |