| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.39 | USD | 20251001 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.39 | USD | 20250930 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.17 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 456.77 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.38 | USD | 20250925 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.38 | USD | 20250924 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.38 | USD | 20250923 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.06 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 456.92 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 457.2 | USD | 20250918 |