| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 818.28 | USD | 20251101 |
| Shandong Laya Chem | China national standards | MT | 1001.69 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 811.23 | USD | 20251101 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.72 | USD | 20251101 |
| Shandong Xima | China national standards | MT | 987.58 | USD | 20251101 |
| Aite Zhejiang | China national standards | MT | 1072.23 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1029.91 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1128.67 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1128.67 | USD | 20251031 |
| Shandong Zhiheng | China national standards | MT | 1255.64 | USD | 20251031 |