| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 842.84 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 899.03 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 814.74 | USD | 20250826 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2149.24 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |