| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250920 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 864.64 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250920 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 674.84 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250920 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250920 |