| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Jinling | China national standards | MT | 1136.59 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1482.51 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1044.81 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1263.66 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1256.6 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 931.86 | USD | 20251125 |