| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.07 | USD | 20250920 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 562.37 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.07 | USD | 20250920 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.07 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250919 |
| Shandong Yifei Science and Trade Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Yifei Science and Trade Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 569.4 | USD | 20250919 |