| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.27 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.91 | USD | 20250916 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.55 | USD | 20250915 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.11 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.96 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.36 | USD | 20250914 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.52 | USD | 20250913 |