| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 740.69 | USD | 20251031 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.96 | USD | 20251031 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 774.55 | USD | 20251031 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.85 | USD | 20251031 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 783.01 | USD | 20251031 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 733.63 | USD | 20251031 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.96 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 909.99 | USD | 20251031 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 691.31 | USD | 20251031 |