| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1058.25 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1030.03 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1044.14 | USD | 20251119 |
| Wanhua Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Wanhua Yantai | China national standards | MT | 790.16 | USD | 20251119 |
| Shandong Zhiheng | China national standards | MT | 804.27 | USD | 20251119 |
| Shandong Yihe Chem | China national standards | MT | 790.16 | USD | 20251119 |
| Hubei 789 Chem | China national standards | MT | 818.38 | USD | 20251119 |
| Hubei 789 Chem | China national standards | MT | 818.38 | USD | 20251119 |