| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.34 | USD | 20251025 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.43 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 728.91 | USD | 20251025 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 728.91 | USD | 20251025 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 719.04 | USD | 20251025 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 711.99 | USD | 20251025 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.43 | USD | 20251025 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 711.99 | USD | 20251025 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251025 |