| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 953.12 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.15 | USD | 20250807 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.28 | USD | 20250806 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1190.33 | USD | 20250806 |