| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Kaixiang Chem | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 975.14 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 1073.61 | USD | 20251130 |
| Shaanxi Bidiou Chem | China national standards | MT | 1073.61 | USD | 20251130 |
| Henan Kaixiang Chem | China national standards | MT | 1073.61 | USD | 20251130 |
| Henan Kaixiang Chem | China national standards | MT | 1073.61 | USD | 20251130 |
| Shandong Aite Chem | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Yaoming Chem | China national standards | MT | 960.6 | USD | 20251129 |