| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.67 | USD | 20251125 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.44 | USD | 20251124 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251121 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.16 | USD | 20251119 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251118 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.78 | USD | 20251117 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.68 | USD | 20251114 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.23 | USD | 20251113 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 790.59 | USD | 20251112 |