| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 784.42 | USD | 20251210 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 784.2 | USD | 20251209 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.53 | USD | 20251112 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.28 | USD | 20251110 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.5 | USD | 20251107 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.01 | USD | 20251031 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.19 | USD | 20251030 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 783.28 | USD | 20251028 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 782.48 | USD | 20251024 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 782.59 | USD | 20251023 |