| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.86 | USD | 20250916 |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1253.04 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1126.33 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.94 | USD | 20250916 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.62 | USD | 20250916 |