| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 802.27 | USD | 20251011 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 703.75 | USD | 20251011 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.67 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 703.75 | USD | 20251011 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 689.67 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 689.67 | USD | 20251011 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 788.2 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.01 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 865.61 | USD | 20251011 |