| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1757.94 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1350.1 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1870.45 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.48 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.48 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |