| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.29 | USD | 20250811 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.57 | USD | 20250809 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.57 | USD | 20250808 | 
| Qinghai Yanhu Industry Co., Ltd. | China national standards | MT | 967.13 | USD | 20250807 | 
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 897.05 | USD | 20250807 | 
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 897.05 | USD | 20250807 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 869.02 | USD | 20250807 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.24 | USD | 20250806 |