| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 914.87 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1301.94 | USD | 20251011 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.44 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |