| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1196.73 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.54 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.99 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 985.14 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 928.84 | USD | 20250915 |