| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.37 | USD | 20251024 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.87 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.72 | USD | 20251024 |
| China national standards | MT | 369.39 | USD | 20251024 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.39 | USD | 20251024 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.96 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| China national standards | MT | 296.12 | USD | 20251023 | |
| China national standards | MT | 366.62 | USD | 20251023 |