| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 961.36 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.91 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.61 | USD | 20251203 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.04 | USD | 20251202 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.58 | USD | 20251125 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |