| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 977.11 | USD | 20250919 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1307.5 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| China national standards | MT | 998.2 | USD | 20250919 |