| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.91 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.92 | USD | 20251114 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.45 | USD | 20251111 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 818.71 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 816.96 | USD | 20251015 |