| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 281.27 | USD | 20250922 |
| Suzhou Shangma Chem | China national standards | MT | 253.14 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 189.86 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 189.86 | USD | 20250922 |
| Shanghai Guoke | China national standards | MT | 323.46 | USD | 20250922 |
| Shanghai Guoke | China national standards | MT | 306.58 | USD | 20250922 |
| Chizhou Xinyu Chem | China national standards | MT | 253.14 | USD | 20250922 |
| Henan Lianying | China national standards | MT | 337.52 | USD | 20250922 |
| Henan Huiyi | China national standards | MT | 281.18 | USD | 20250921 |
| Henan Huiyihai | China national standards | MT | 274.15 | USD | 20250921 |