| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1145.15 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 890.67 | USD | 20251204 |
| Satellite Chem | China national standards | MT | 791.71 | USD | 20251204 |
| Satellite Chem | China national standards | MT | 805.85 | USD | 20251204 |
| Sinopec | China national standards | MT | 791.71 | USD | 20251204 |
| Shandong Mingyu | China national standards | MT | 862.4 | USD | 20251204 |
| Shandong Jinwen Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 791.71 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 890.67 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 897.74 | USD | 20251204 |