| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.89 | USD | 20251009 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.45 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.45 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.05 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.05 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.29 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.29 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.29 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.43 | USD | 20250925 |