| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.41 | USD | 20250930 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.41 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |