| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1131.01 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Jiaen Chem | China national standards | MT | 1183.32 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 1215.84 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Befar | China national standards | MT | 1116.88 | USD | 20251204 |