| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.69 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.56 | USD | 20251124 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.39 | USD | 20251122 |