| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.47 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250926 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 255.79 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 255.79 | USD | 20250926 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 281.09 | USD | 20250926 |