| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1472.22 | USD | 20250823 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1444.17 | USD | 20250823 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1458.2 | USD | 20250822 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1472.22 | USD | 20250822 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1444.17 | USD | 20250822 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1444.86 | USD | 20250821 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1444.86 | USD | 20250821 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1458.89 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1472.92 | USD | 20250821 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1456.91 | USD | 20250820 |