| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250925 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.25 | USD | 20250925 |