| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 421.93 | USD | 20251009 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 421.93 | USD | 20251009 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 393.8 | USD | 20251009 |
| Tianjin Shengtongtai Chemical Co., Ltd. | China national standards | MT | 351.61 | USD | 20251009 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 351.61 | USD | 20251009 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 393.8 | USD | 20251009 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 327.7 | USD | 20251009 |
| China national standards | MT | 295.35 | USD | 20251009 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.67 | USD | 20251009 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |