| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1144.73 | USD | 20251201 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.8 | USD | 20251201 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1271.92 | 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 |