| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1031.13 | USD | 20251126 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1031.13 | USD | 20251126 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1029.98 | USD | 20251122 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1030.03 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1030.03 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1030.03 | USD | 20251119 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.6 | USD | 20251118 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.6 | USD | 20251118 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1073.2 | USD | 20251117 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1073.2 | USD | 20251117 |