| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.81 | USD | 20251017 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.84 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 394.65 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.51 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.6 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.37 | USD | 20251017 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.28 | USD | 20251017 |