| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251110 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.68 | USD | 20251107 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.18 | USD | 20251031 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.36 | USD | 20251030 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251028 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251024 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |