| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 937.87 | USD | 20251120 |
| Shandong Shuojia Chem | China national standards | MT | 846.2 | USD | 20251120 |
| Jinan Angxin Chem | China national standards | MT | 818.0 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 789.79 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 796.84 | USD | 20251120 |
| Shandong Wells Chem | China national standards | MT | 909.67 | USD | 20251120 |
| Shandong Wells Chem | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Wells Chem | China national standards | MT | 1015.44 | USD | 20251120 |
| Guangzhou Tianyue Chem | China national standards | MT | 959.03 | USD | 20251120 |
| Nantong Zhonghe Chem | China national standards | MT | 846.2 | USD | 20251120 |