| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.41 | USD | 20251021 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.79 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.2 | USD | 20251020 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251018 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.74 | USD | 20251018 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 422.84 | USD | 20251018 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.74 | USD | 20251017 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.93 | USD | 20251017 |