| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 854.0 | USD | 20251029 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.42 | USD | 20251029 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.36 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 868.12 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.67 | USD | 20251029 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 734.02 | USD | 20251029 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 811.65 | USD | 20251029 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 811.65 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 705.79 | USD | 20251029 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 762.25 | USD | 20251029 |