| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1270.74 | USD | 20251115 |
| Shandong Daoqin Chem | China national standards | MT | 945.99 | USD | 20251115 |
| Hualu Holdings | China national standards | MT | 1186.02 | USD | 20251115 |
| Shandong Yuxuan Chem | China national standards | MT | 988.35 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 931.87 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 931.87 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 903.64 | USD | 20251115 |
| Guangzhou Tianyue Chem | China national standards | MT | 1214.26 | USD | 20251115 |
| Guangzhou Tianyue Chem | China national standards | MT | 1228.38 | USD | 20251115 |
| Nantong Zhonghe Chem | China national standards | MT | 953.05 | USD | 20251114 |