| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1294.23 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |