| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.82 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.05 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.95 | USD | 20251021 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 810.66 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.31 | USD | 20251021 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 785.28 | USD | 20251021 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 719.02 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |