| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251130 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251129 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.76 | USD | 20251126 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.29 | USD | 20251125 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.96 | USD | 20251124 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251123 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251122 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251121 |