| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 799.2 | USD | 20250823 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 743.12 | USD | 20250823 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 687.03 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 771.16 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 757.14 | USD | 20250823 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 785.18 | USD | 20250823 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 687.03 | USD | 20250822 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 813.22 | USD | 20250822 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 743.12 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 687.03 | USD | 20250822 |