| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2146.25 | USD | 20250821 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2174.31 | USD | 20250821 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 813.61 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |