| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1715.22 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1799.57 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1180.97 | USD | 20250920 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1799.57 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.03 | USD | 20250920 |