| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1448.97 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2039.81 | USD | 20250918 |
| Jinan Xinhou Trading Co., Ltd. | China national standards | MT | 2250.83 | USD | 20250918 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1758.46 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 2250.83 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.1 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1464.23 | USD | 20250916 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1450.15 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1759.89 | USD | 20250916 |