| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.83 | USD | 20251023 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.56 | USD | 20251022 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.04 | USD | 20251022 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.04 | USD | 20251022 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.2 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.2 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.74 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.41 | USD | 20251020 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.92 | USD | 20251020 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.92 | USD | 20251020 |