| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 294.13 | USD | 20250924 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 675.51 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.72 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.9 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |