| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haili Chem | China national standards | MT | 1479.94 | USD | 20251017 |
| Weifang Yixin Chem | China national standards | MT | 1832.3 | USD | 20251017 |
| Shandong Yaowang Chem | China national standards | MT | 1726.59 | USD | 20251017 |
| Shandong Xima | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Qiangsen Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Qingdao Shengze Chem | China national standards | MT | 1592.69 | USD | 20251017 |
| Qingdao Shengze Chem | China national standards | MT | 1592.69 | USD | 20251017 |
| Qingdao Shengze Chem | China national standards | MT | 1592.69 | USD | 20251017 |
| Qingdao Shengze Chem | China national standards | MT | 1592.69 | USD | 20251017 |
| Shandong Yihe Chem | China national standards | MT | 1522.22 | USD | 20251017 |