| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250925 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250925 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250925 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250924 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |