| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251110 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 762.32 | USD | 20251107 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.85 | USD | 20251031 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 762.02 | USD | 20251030 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.34 | USD | 20251024 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.44 | USD | 20251023 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 761.06 | USD | 20251022 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |