| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250920 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250920 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1012.26 | USD | 20250920 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.94 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.72 | USD | 20250920 |