| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1068.89 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1068.89 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1069.08 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1069.08 | USD | 20250929 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1068.83 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1068.83 | USD | 20250922 |