| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.55 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1055.51 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250914 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.09 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.57 | USD | 20250913 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1098.3 | USD | 20250913 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 873.01 | USD | 20250913 |