| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1301.77 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |