| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.59 | USD | 20250923 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 731.81 | USD | 20250923 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.1 | USD | 20250923 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250923 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 745.88 | USD | 20250923 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.59 | USD | 20250923 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.66 | USD | 20250923 |