| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1803.63 | USD | 20251016 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1802.94 | USD | 20251015 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1760.04 | USD | 20251014 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1760.39 | USD | 20251013 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1759.37 | USD | 20251012 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1759.37 | USD | 20251011 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1759.37 | USD | 20251010 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1758.04 | USD | 20251009 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1759.2 | USD | 20251008 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1759.2 | USD | 20251003 |