| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 236.01 | USD | 20251201 |
| Shanghai SKY Chem | China national standards | MT | 459.31 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 346.25 | USD | 20251201 |
| Jinan Zhongyin Mat | China national standards | MT | 236.01 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 381.58 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 233.19 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 234.6 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 381.58 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 353.31 | USD | 20251201 |
| Shandong Luxi Chem | China national standards | MT | 233.19 | USD | 20251201 |