| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 748.21 | USD | 20251108 |
| Shandong Wells Chem | China national standards | MT | 889.38 | USD | 20251108 |
| Shandong Wells Chem | China national standards | MT | 847.03 | USD | 20251108 |
| Shandong Fusheng | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Wells Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Tongling Jintai Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Wells Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Jinan Angxin Chem | China national standards | MT | 804.68 | USD | 20251107 |