| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chem | China national standards | MT | 1270.0 | USD | 20251111 |
| Shandong Haili Chem | China national standards | MT | 1199.45 | USD | 20251111 |
| Zibo Zhongsheng Chem | China national standards | MT | 945.45 | USD | 20251111 |
| Shandong Hualu | China national standards | MT | 1030.11 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 1270.0 | USD | 20251111 |
| Shandong Xima | China national standards | MT | 874.89 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 889.0 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 889.0 | USD | 20251111 |
| Nanjing Guanshan Energy | China national standards | MT | 931.34 | USD | 20251111 |
| Nanjing Guanshan Energy | China national standards | MT | 917.22 | USD | 20251111 |