| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.79 | USD | 20251030 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.89 | USD | 20251029 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.46 | USD | 20251021 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.25 | USD | 20251020 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.14 | USD | 20251015 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 352.08 | USD | 20251013 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.87 | USD | 20251010 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.61 | USD | 20251009 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.84 | USD | 20251008 |
| Guangzhou Longyu Chemical Co., Ltd. | Industrial Grade | MT | 351.67 | USD | 20250929 |