| Vendor | Spec | Unit | Price | Currency | Date |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 858.9 | USD | 20251014 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 859.07 | USD | 20251013 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 874.06 | USD | 20251011 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 858.57 | USD | 20251010 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 874.06 | USD | 20251010 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.39 | USD | 20251009 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.97 | USD | 20250930 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 873.55 | USD | 20250929 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 872.78 | USD | 20250928 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 872.78 | USD | 20250926 |