| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1476.63 | USD | 20250903 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1462.56 | USD | 20250903 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1758.36 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1448.89 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.02 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1462.95 | USD | 20250902 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1449.23 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.38 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1463.3 | USD | 20250901 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1450.09 | USD | 20250830 |