| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.13 | USD | 20250812 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 742.11 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.12 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 700.1 | USD | 20250812 |