| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 1101.45 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251116 |
| Shandong Yihe Chem | China national standards | MT | 1270.74 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251116 |
| Shandong Daoqin Chem | China national standards | MT | 945.99 | USD | 20251116 |
| Jinan Jinrihe Chem | China national standards | MT | 903.64 | USD | 20251115 |