| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1764.91 | USD | 20251116 |
| Jinan Qi Mat | China national standards | MT | 1567.24 | USD | 20251116 |
| Shandong Jinshenrun Chem | China national standards | MT | 1581.36 | USD | 20251116 |
| Wudi Xinyue Chem | China national standards | MT | 1567.24 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 1595.48 | USD | 20251116 |
| Jinan Qi Mat | China national standards | MT | 1567.24 | USD | 20251116 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.95 | USD | 20251115 |
| Dongying Lianchem | China national standards | MT | 1200.14 | USD | 20251115 |
| Shandong Yaoming Chem | China national standards | MT | 1080.13 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1174.73 | USD | 20251115 |