| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.96 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.53 | USD | 20250828 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.82 | USD | 20250828 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 801.6 | USD | 20250827 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.09 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.09 | USD | 20250827 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.35 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 864.88 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.82 | USD | 20250827 |