| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.62 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.62 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.42 | USD | 20251023 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.25 | USD | 20251022 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 394.62 | USD | 20251022 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.2 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.43 | USD | 20251022 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 408.72 | USD | 20251022 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| China national standards | MT | 369.25 | USD | 20251022 |