| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.72 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.18 | USD | 20251201 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1144.73 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1582.84 | USD | 20251201 |