| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 936.34 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 781.46 | USD | 20251014 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.14 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 844.82 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.66 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |