| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 799.58 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.68 | USD | 20250821 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.68 | USD | 20250821 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 700.44 | USD | 20250820 |