| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1457.17 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.19 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1443.16 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1457.17 | USD | 20250815 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.19 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1457.87 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.89 | USD | 20250814 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1443.85 | USD | 20250814 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1457.6 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.62 | USD | 20250813 |