| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Yuxuan Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Fusheng | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Fusheng | China national standards | MT | 1101.18 | USD | 20251112 |
| Wuhan Hengjiu Chem | China national standards | MT | 960.0 | USD | 20251112 |
| Nanjing Guanshan Energy | China national standards | MT | 924.71 | USD | 20251112 |
| Nanjing Guanshan Energy | China national standards | MT | 931.77 | USD | 20251112 |
| Shandong Hualu | China national standards | MT | 931.77 | USD | 20251112 |
| Nanjing Waien Chem | China national standards | MT | 924.71 | USD | 20251112 |