| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250923 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 253.32 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 253.32 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.24 | USD | 20250923 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 253.32 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.98 | USD | 20250923 |