| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinhou Trading Co., Ltd. | China national standards | MT | 2249.47 | USD | 20250920 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1940.16 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1476.21 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1757.4 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1546.51 | USD | 20250919 |
| Ji'nan Century Lianxing Economic Trade Co., Ltd. | China national standards | MT | 1687.1 | USD | 20250919 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1757.4 | USD | 20250919 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1630.86 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2038.58 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250919 |