| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 731.34 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 745.41 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.34 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 689.15 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 745.41 | USD | 20251009 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.15 | USD | 20251009 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 745.41 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.15 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 717.28 | USD | 20251009 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 829.79 | USD | 20251009 |