| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 843.79 | USD | 20250827 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 759.41 | USD | 20250827 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.04 | USD | 20250827 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 925.35 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.32 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.04 | USD | 20250827 |