| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 796.29 | USD | 20251022 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251017 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 831.36 | USD | 20251016 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 837.78 | USD | 20251014 |