| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 876.31 | USD | 20250818 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 784.63 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.68 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.68 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.68 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.68 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 840.68 | USD | 20250816 |