| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 713.39 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 713.49 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 713.49 | USD | 20251127 |