| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250924 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250924 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250924 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 992.16 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.49 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.76 | USD | 20250924 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250924 |