| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.67 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 844.31 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.81 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 844.31 | USD | 20250905 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 823.2 | USD | 20250905 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 844.45 | USD | 20250904 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.68 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |