| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251109 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251108 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.14 | USD | 20251107 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.13 | USD | 20251105 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.65 | USD | 20251103 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251102 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251101 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.7 | USD | 20251030 |