| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.95 | USD | 20251114 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.35 | USD | 20251113 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.34 | USD | 20251111 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 987.78 | USD | 20251111 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.35 | USD | 20251106 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.05 | USD | 20251104 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.32 | USD | 20251103 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1058.13 | USD | 20251031 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 987.58 | USD | 20251031 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 987.81 | USD | 20251030 |