| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Shenrong Chem | China national standards | MT | 3265.06 | USD | 20251205 |
| Jiangsu Shenrong Chem | China national standards | MT | 3265.8 | USD | 20251204 |
| Jiangsu Shenrong Chem | China national standards | MT | 3264.83 | USD | 20251203 |
| Jiangsu Shenrong Chem | China national standards | MT | 3264.6 | USD | 20251201 |
| Jiangsu Shenrong Chem | China national standards | MT | 3263.22 | USD | 20251128 |
| Jiangsu Shenrong Chem | China national standards | MT | 3263.22 | USD | 20251128 |
| Ertai Hainan | China national standards | MT | 3248.77 | USD | 20251126 |
| Jiangsu Shenrong Chem | China national standards | MT | 3262.9 | USD | 20251126 |
| Ertai Hainan | China national standards | MT | 3175.8 | USD | 20251120 |
| Ertai Hainan | China national standards | MT | 3229.8 | USD | 20251113 |