| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.67 | USD | 20250922 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1223.53 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.67 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250921 |