| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 366.46 | USD | 20251018 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.03 | USD | 20251018 |
| China national standards | MT | 295.99 | USD | 20251018 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.4 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.27 | USD | 20251018 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.84 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.6 | USD | 20251017 |
| China national standards | MT | 408.74 | USD | 20251017 | |
| China national standards | MT | 408.74 | USD | 20251017 | |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.7 | USD | 20251017 |