| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.72 | USD | 20250920 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250919 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |