| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |