| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1181.28 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 962.0 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 1343.97 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 1117.62 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 1046.88 | USD | 20251211 |