| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |