| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.08 | USD | 20250902 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.45 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.31 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.54 | USD | 20250902 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 780.71 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |