| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.3 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.94 | USD | 20251117 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.94 | USD | 20251117 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.6 | USD | 20251117 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251116 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251116 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251116 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.88 | USD | 20251115 |