| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Mengkanda Chem | China national standards | MT | 784.2 | USD | 20251209 |
| Guang Longyu Chem | China national standards | MT | 1342.32 | USD | 20251209 |
| Guang Longyu Chem | China national standards | MT | 1342.32 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 953.87 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 798.43 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1017.47 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 847.89 | USD | 20251208 |
| Aite Zhejiang | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Wells Chem | China national standards | MT | 819.63 | USD | 20251208 |