| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1069.08 | USD | 20250929 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1177.4 | USD | 20250929 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1012.81 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1266.02 | USD | 20250929 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |