| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.56 | USD | 20251211 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.14 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.02 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.08 | USD | 20251208 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.17 | USD | 20251205 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.27 | USD | 20251204 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.89 | USD | 20251202 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.11 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.92 | USD | 20251128 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.88 | USD | 20251126 |