| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2154.11 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 915.14 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 844.75 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2182.27 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 823.63 | USD | 20250916 |