| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 900.33 | USD | 20250918 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.06 | USD | 20250918 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.06 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 794.82 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.57 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.2 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.59 | USD | 20250916 |