| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.12 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.12 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.19 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.19 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1070.5 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1070.5 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1070.32 | USD | 20251013 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1070.32 | USD | 20251013 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1069.7 | USD | 20251011 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1069.7 | USD | 20251011 |