| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1327.01 | USD | 20251107 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1327.01 | USD | 20251107 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.47 | USD | 20251106 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1325.79 | USD | 20251105 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.09 | USD | 20251104 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.43 | USD | 20251103 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.43 | USD | 20251103 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.19 | USD | 20251101 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.19 | USD | 20251031 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1325.47 | USD | 20251023 |