| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1064.69 | USD | 20250808 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1065.25 | USD | 20250807 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1065.25 | USD | 20250807 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1064.29 | USD | 20250806 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1064.29 | USD | 20250806 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1064.5 | USD | 20250804 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1064.5 | USD | 20250804 |