| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1154.04 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1242.7 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1153.48 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1242.1 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1153.48 | USD | 20250929 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |