| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1785.51 | USD | 20250919 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1349.68 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250919 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1687.1 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1169.72 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1180.97 | USD | 20250919 |