| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chem | China national standards | MT | 590.48 | USD | 20250920 |
| Henan Longyu | China national standards | MT | 344.45 | USD | 20250920 |
| Shanghai Huayi | China national standards | MT | 421.77 | USD | 20250919 |
| Hualu Holdings | China national standards | MT | 414.75 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 407.72 | USD | 20250919 |
| Shandong Jiaen Chem | China national standards | MT | 400.69 | USD | 20250919 |
| Henan Longyu | China national standards | MT | 302.27 | USD | 20250919 |
| Hebei Pengfa Chem | China national standards | MT | 328.98 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 365.54 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 365.54 | USD | 20250919 |