| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1257.26 | USD | 20251128 |
| Shandong Mingyu | China national standards | MT | 1257.26 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 1207.81 | USD | 20251128 |
| Dongying HuataiChem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 1049.6 | USD | 20251128 |
| Shandong Yaowang Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Dongying HuataiChem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Yuxuan Chem | China national standards | MT | 1243.13 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1214.88 | USD | 20251128 |