| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1224.37 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1203.26 | USD | 20250924 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1301.77 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250924 |