| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1622.46 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1185.1 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 1650.68 | USD | 20251101 |
| Jinan Qi Mat | China national standards | MT | 1636.57 | USD | 20251101 |
| Jinan Qi Mat | China national standards | MT | 1636.57 | USD | 20251101 |
| Shandong Xima | China national standards | MT | 846.5 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1170.99 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1173.81 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.13 | USD | 20251101 |