| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250929 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.48 | USD | 20250929 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 865.11 | USD | 20250929 |