| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 885.32 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.18 | USD | 20250825 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 850.18 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 702.63 | USD | 20250825 |