| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 960.94 | USD | 20251208 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 960.1 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 960.11 | USD | 20251114 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 959.56 | USD | 20251111 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 959.87 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |