| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 742.6 | USD | 20250815 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 742.6 | USD | 20250815 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 742.6 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 847.68 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 861.69 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 770.62 | USD | 20250815 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 756.61 | USD | 20250815 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 813.04 | USD | 20250814 |