| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1096.92 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 969.63 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1096.11 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250823 |