| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1300.19 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1173.0 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 1031.67 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1158.86 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 890.35 | USD | 20251201 |
| Sinopec | China national standards | MT | 904.48 | USD | 20251201 |
| Jinan Jiaxing Chem | China national standards | MT | 1158.86 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 900.24 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 900.24 | USD | 20251201 |