| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.09 | USD | 20250921 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.39 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.54 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.6 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250920 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 281.18 | USD | 20250920 |