| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Nantong Zhonghe Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Shandong Xima | China national standards | MT | 874.9 | USD | 20251113 |
| Shandong Qiangsen Chem | China national standards | MT | 889.01 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 903.13 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Nanjing Guanshan Energy | China national standards | MT | 931.35 | USD | 20251113 |
| Nanjing Guanshan Energy | China national standards | MT | 917.24 | USD | 20251113 |
| Shandong Hualu | China national standards | MT | 931.35 | USD | 20251113 |