| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251122 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.16 | USD | 20251121 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.93 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.36 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.57 | USD | 20251119 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.18 | USD | 20251119 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.57 | USD | 20251119 |