| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.98 | USD | 20251107 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.79 | USD | 20251106 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.54 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.54 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.65 | USD | 20251104 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.77 | USD | 20251103 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.68 | USD | 20251101 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.68 | USD | 20251031 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.79 | USD | 20251030 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 479.93 | USD | 20251029 |