| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 912.49 | 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 | 962.0 | USD | 20251211 |
| Jinan Xinbo Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Daoqin Chem | China national standards | MT | 947.85 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1131.77 | USD | 20251211 |