| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.25 | USD | 20251014 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.41 | USD | 20251014 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.33 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.01 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.09 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.21 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.25 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.09 | USD | 20251014 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.33 | USD | 20251013 |