| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.52 | USD | 20250905 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.52 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.52 | USD | 20250905 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.81 | USD | 20250905 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 788.02 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 788.02 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.81 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.64 | USD | 20250904 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.64 | USD | 20250904 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.93 | USD | 20250904 |