| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 961.14 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 989.64 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 819.99 | USD | 20251204 |
| Nanjing Runsheng Petro | China national standards | MT | 989.64 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1032.05 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 869.47 | USD | 20251204 |