| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.25 | USD | 20251126 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.94 | USD | 20251126 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.69 | USD | 20251126 |
| China national standards | MT | 296.63 | USD | 20251126 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 360.19 | USD | 20251126 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.69 | USD | 20251126 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.57 | USD | 20251126 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.5 | USD | 20251126 |