| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1146.51 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1181.68 | USD | 20250918 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.9 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 844.06 | USD | 20250918 |