| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 791.71 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 897.74 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 890.67 | USD | 20251204 |
| Wanhua Yantai | China national standards | MT | 791.71 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1201.7 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1244.12 | USD | 20251204 |
| Shandong Yeyang Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Zibo Lishuo Chem | China national standards | MT | 848.26 | USD | 20251204 |
| Zibo Lishuo Chem | China national standards | MT | 848.26 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 961.36 | USD | 20251204 |