| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2182.21 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2154.05 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.81 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.99 | USD | 20250906 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.03 | USD | 20250906 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250906 |