| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 1069.59 | USD | 20251001 |
| Henan Kaixiang Chem | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shaanxi Bidiou Chem | China national standards | MT | 1069.59 | USD | 20250930 |
| Henan Kaixiang Chem | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Fusheng | China national standards | MT | 964.04 | USD | 20250930 |
| Shandong Fusheng | China national standards | MT | 964.04 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 964.04 | USD | 20250930 |