| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.82 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.36 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.7 | USD | 20251013 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 901.32 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 936.53 | USD | 20251013 |