| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1476.63 | USD | 20250827 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1448.5 | USD | 20250827 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1755.91 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1460.92 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1474.97 | USD | 20250826 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1446.87 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1461.47 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1475.53 | USD | 20250825 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1447.42 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1458.2 | USD | 20250823 |