| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 437.12 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 436.9 | USD | 20251022 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 549.65 | USD | 20251022 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 493.15 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 366.34 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | 90% | MT | 492.46 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 365.83 | USD | 20250901 |