| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 959.69 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Fusheng | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 875.01 | USD | 20251118 |