| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1464.62 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1464.19 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1450.11 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1478.27 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1450.11 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1449.4 | USD | 20250907 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1449.4 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.54 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1463.47 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1463.47 | USD | 20250905 |