| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.87 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.74 | USD | 20251124 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.37 | USD | 20251124 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.74 | USD | 20251124 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.16 | USD | 20251123 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251123 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.55 | USD | 20251123 |
| 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 | 20251122 |