| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 674.61 | USD | 20250926 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 702.72 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 744.88 | USD | 20250926 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 688.67 | USD | 20250926 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 743.48 | USD | 20250926 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.29 | USD | 20250926 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.67 | USD | 20250926 |