| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 929.22 | USD | 20250916 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.99 | USD | 20250916 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.84 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.62 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.92 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.57 | USD | 20250913 |