| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.25 | USD | 20251119 |
| Shandong Yihe Chem | China national standards | MT | 1636.75 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Jinan Qi Mat | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 1622.64 | USD | 20251119 |
| Aite Zhejiang | China national standards | MT | 1269.9 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Haili Chem | China national standards | MT | 1735.52 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1171.13 | USD | 20251119 |