| Vendor | Spec | Unit | Price | Currency | Date |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.84 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.96 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 705.66 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.84 | USD | 20251028 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.28 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |