| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 238.86 | USD | 20251210 |
| Jiangsu LeeMan Chem | China national standards | MT | 388.68 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.9 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 353.24 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 384.33 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 339.11 | USD | 20251209 |