| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 798.48 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 953.94 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1017.54 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 847.95 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Wells Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Wells Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 847.95 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 791.42 | USD | 20251201 |
| Nanjing Runsheng Petro | Industrial Grade | MT | 904.48 | USD | 20251201 |