| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 918.66 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 922.44 | USD | 20251013 |