| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Liaocheng Yuanze Chem | China national standards | MT | 862.2 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 848.07 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 2162.57 | USD | 20251205 |
| Shaanxi Lufeng Chem | China national standards | MT | 773.16 | USD | 20251205 |
| Shandong Qiancheng | China national standards | MT | 848.07 | USD | 20251205 |
| CNPC | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 763.26 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 918.74 | USD | 20251205 |