| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1244.94 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Dongying HuataiChem | China national standards | MT | 1117.62 | USD | 20251211 |