| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.42 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.78 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 436.27 | USD | 20250923 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 506.64 | USD | 20250923 |