| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1539.79 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1356.14 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1356.14 | USD | 20251128 |
| Shandong Yushuo Chem | China national standards | MT | 1610.42 | USD | 20251128 |
| Jinan Jinrihe Chem | China national standards | MT | 1695.18 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1271.38 | USD | 20251128 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Xima | China national standards | MT | 847.59 | USD | 20251128 |
| Dongying Lianchem | China national standards | MT | 1200.92 | USD | 20251127 |
| Hunan JinyuChem | China national standards | MT | 1582.39 | USD | 20251127 |