| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2150.05 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2150.05 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 744.79 | USD | 20250825 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.9 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2150.05 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2150.05 | USD | 20250825 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 983.68 | USD | 20250825 |