| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251115 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.23 | USD | 20251113 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.62 | USD | 20251113 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.62 | USD | 20251113 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.83 | USD | 20251112 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.83 | USD | 20251112 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.47 | USD | 20251112 |