| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 945.25 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |