| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 366.34 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.16 | USD | 20251020 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.93 | USD | 20251020 |
| China national standards | MT | 408.61 | USD | 20251020 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.29 | USD | 20251020 |
| China national standards | MT | 408.61 | USD | 20251020 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.11 | USD | 20251020 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 415.65 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.38 | USD | 20251020 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.7 | USD | 20251020 |