| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Nantong Zhonghe Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1102.12 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 946.69 | USD | 20251209 |
| Liaocheng Yuanze Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 925.49 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Luxi Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Luxi Chem | China national standards | MT | 1271.67 | USD | 20251209 |