| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 889.01 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 903.13 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Nanjing Guanshan Energy | China national standards | MT | 931.35 | USD | 20251113 |
| Nanjing Guanshan Energy | China national standards | MT | 917.24 | USD | 20251113 |
| Shandong Hualu | China national standards | MT | 931.35 | USD | 20251113 |
| Nanjing Waien Chem | China national standards | MT | 910.18 | USD | 20251113 |
| 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 |