| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 812.69 | USD | 20251210 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 657.22 | USD | 20251210 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 770.29 | USD | 20251210 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 742.02 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 692.55 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 692.55 | USD | 20251210 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 768.87 | USD | 20251210 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |