| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 733.62 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 733.62 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 811.22 | USD | 20251027 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 733.62 | USD | 20251027 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 719.52 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 768.89 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251026 |