| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 1173.43 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1095.67 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 1081.53 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 961.36 | USD | 20251204 |
| Shandong Jiaen Chem | China national standards | MT | 1183.32 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1272.39 | USD | 20251204 |
| Nantong Zhonghe Chem | China national standards | MT | 1032.05 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1190.39 | USD | 20251204 |