| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Jinan Angxin Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Jinan Angxin Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Jinan Angxin Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Hualu | China national standards | MT | 931.34 | USD | 20251111 |
| Shandong Fusheng | China national standards | MT | 1100.67 | USD | 20251111 |
| Shandong Fusheng | China national standards | MT | 889.0 | USD | 20251111 |
| Nanjing Waien Chem | China national standards | MT | 917.22 | USD | 20251111 |