| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 797.12 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 846.5 | USD | 20251031 |
| Shandong Wells Chem | China national standards | MT | 1029.91 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1114.56 | USD | 20251031 |
| Shandong Aite Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yushuo Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Qingdao Chengxin Chem | China national standards | MT | 648.98 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 1015.8 | USD | 20251031 |