| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.06 | USD | 20251121 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.01 | USD | 20251121 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.06 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.84 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.73 | USD | 20251121 |
| China national standards | MT | 395.06 | USD | 20251121 | |
| China national standards | MT | 423.28 | USD | 20251121 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.06 | USD | 20251121 |