| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 904.1 | USD | 20251130 |
| Shandong Daoqin Chem | China national standards | MT | 946.47 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 911.16 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 911.16 | USD | 20251130 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251129 |