| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.35 | USD | 20251027 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.06 | USD | 20251025 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.06 | USD | 20251024 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.12 | USD | 20251023 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 436.9 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 437.05 | USD | 20251021 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 436.79 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 436.93 | USD | 20251017 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 436.65 | USD | 20251015 |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 436.49 | USD | 20251014 |