| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 899.03 | USD | 20250826 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 899.03 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 842.84 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 842.84 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 906.05 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 934.15 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.03 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 941.17 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 842.84 | USD | 20250826 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 779.63 | USD | 20250826 |