| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 801.1 | USD | 20250928 |
| Jinan Zhongyin Mat | China national standards | MT | 829.21 | USD | 20250928 |
| Jinan Zhongyin Mat | China national standards | MT | 829.21 | USD | 20250928 |
| Lihuayi Shandong | China national standards | MT | 899.48 | USD | 20250928 |
| Luxi Chem | China national standards | MT | 885.43 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 892.46 | USD | 20250928 |
| Shandong Xingpeng Chem | China national standards | MT | 829.21 | USD | 20250928 |
| Zibo Lishuo Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Zibo Lishuo Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Zibo Lishuo Chem | China national standards | MT | 913.54 | USD | 20250928 |