| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1142.78 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1340.29 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1173.81 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1213.32 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1199.21 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Jinling Chem | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 1079.29 | USD | 20251101 |
| Shandong Jinling Chem | China national standards | MT | 1044.02 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 987.58 | USD | 20251101 |