| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 787.93 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 773.86 | USD | 20250901 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.85 | USD | 20250831 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.85 | USD | 20250831 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 746.16 | USD | 20250831 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.85 | USD | 20250830 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 746.16 | USD | 20250830 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.85 | USD | 20250829 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.85 | USD | 20250829 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 802.48 | USD | 20250829 |