| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.06 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 804.16 | USD | 20251027 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251024 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.61 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |