| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 393.77 | USD | 20250827 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1040.67 | USD | 20250827 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 393.77 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.02 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.02 | USD | 20250827 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1025.45 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 449.51 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 404.56 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.13 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.13 | USD | 20250826 |