| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Haili Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Qingdao Shengze Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Nantong Zhonghe Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1252.55 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1351.07 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Haili Chem | China national standards | MT | 971.08 | USD | 20250930 |