| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |