| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 900.06 | USD | 20250922 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 928.19 | USD | 20250922 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 929.22 | USD | 20250916 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 901.07 | USD | 20250916 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 900.5 | USD | 20250901 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 899.37 | USD | 20250825 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 934.5 | USD | 20250825 |
| Hubei Zuan Chemical Co., Ltd. | 85% | MT | 889.78 | USD | 20250805 |