| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.63 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.8 | USD | 20251104 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.99 | USD | 20251103 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.85 | USD | 20251101 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.85 | USD | 20251031 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.02 | USD | 20251030 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.25 | USD | 20251029 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.84 | USD | 20251027 |