| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 365.76 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.73 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.73 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.73 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.69 | USD | 20250918 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.83 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 294.25 | USD | 20250916 |
| Guangxi Tiandong Jinyi Technology Co., Ltd. | China national standards | MT | 492.77 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 260.46 | USD | 20250916 |