| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 720.07 | USD | 20251125 |
| Nanjing Baitu Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Shandong Xima | China national standards | MT | 748.31 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 2160.22 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 847.15 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Shandong Qiangsen Chem | China national standards | MT | 818.91 | USD | 20251125 |
| Luxi Chem | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Energy | China national standards | MT | 790.67 | USD | 20251125 |