| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 660.56 | USD | 20250926 |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 661.44 | USD | 20250925 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 971.05 | USD | 20250925 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 971.05 | USD | 20250923 |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 661.44 | USD | 20250923 |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 660.99 | USD | 20250922 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 970.38 | USD | 20250922 |
| Zibo Huijie Chemical Co., Ltd. | China national standards | MT | 1644.92 | USD | 20250919 |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 660.78 | USD | 20250919 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 970.08 | USD | 20250919 |