| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.31 | USD | 20250918 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.16 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.02 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.31 | USD | 20250918 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1005.84 | USD | 20250918 |