| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chem | China national standards | MT | 844.42 | USD | 20251003 |
| Wuhan Hengjiu Chem | China national standards | MT | 886.64 | USD | 20251003 |
| Wuhan Hengjiu Chem | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Jinshenrun Chem | Industrial Grade | MT | 886.64 | USD | 20251002 |
| Shandong Wells Chem | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.64 | USD | 20251002 |
| Shandong Daoqin Chem | China national standards | MT | 957.01 | USD | 20251002 |
| Wuhan Hengjiu Chem | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Jinshenrun Chem | China national standards | MT | 886.64 | USD | 20251001 |
| Shandong Wells Chem | China national standards | MT | 886.64 | USD | 20251001 |