| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1639.48 | USD | 20251203 |
| Hubei 789 Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 1512.28 | USD | 20251203 |
| Weifang Yixin Chem | China national standards | MT | 1646.55 | USD | 20251203 |
| Shandong Yeyang Chem | China national standards | MT | 1151.88 | USD | 20251203 |
| Shandong Junfeng | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Yaoming Chem | China national standards | MT | 1081.21 | USD | 20251203 |
| JS Yangnong Chem | China national standards | MT | 855.08 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.02 | USD | 20251203 |