| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1027.34 | USD | 20250923 |
| Henan Zihe | China national standards | MT | 865.5 | USD | 20250923 |
| Shijiaz Bailong Chem | China national standards | MT | 900.69 | USD | 20250923 |
| Shandong Xima | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Hongxin Chem | China national standards | MT | 914.13 | USD | 20250922 |
| Panjin Read Chem | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 928.19 | USD | 20250922 |
| Shijiaz Bailong Chem | China national standards | MT | 1026.64 | USD | 20250922 |
| Shijiaz Bailong Chem | China national standards | MT | 956.32 | USD | 20250922 |