| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 791.08 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 819.34 | USD | 20251128 |
| Shandong Jinwen Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1031.23 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 1073.61 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1144.41 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 988.99 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 1200.92 | USD | 20251127 |