| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1301.81 | USD | 20250930 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1196.26 | USD | 20250930 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1020.34 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |