| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.34 | USD | 20251020 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.93 | USD | 20251020 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.7 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.38 | USD | 20251020 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.52 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.25 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.7 | USD | 20251020 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.56 | USD | 20251020 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.22 | USD | 20251019 |