| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Hualu | China national standards | MT | 976.15 | USD | 20251211 |
| Zibo Dehe Chem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Nanjing Guanshan Energy | China national standards | MT | 947.85 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Nantong Zhonghe Chem | China national standards | MT | 954.02 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Haili Chem | China national standards | MT | 1173.1 | USD | 20251210 |