| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.2 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.67 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.67 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.74 | USD | 20251129 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.74 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.89 | USD | 20251127 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.13 | USD | 20251126 |