| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 1017.61 | USD | 20251203 |
| Shandong Wells Chem | China national standards | MT | 890.41 | USD | 20251203 |
| Shinghwa AdvMat | China national standards | MT | 904.54 | USD | 20251203 |
| Guangzhou Tianyue Chem | China national standards | MT | 961.08 | USD | 20251203 |
| Guangzhou Tianyue Chem | China national standards | MT | 961.08 | USD | 20251203 |
| Shanghai Juexin | China national standards | MT | 989.34 | USD | 20251203 |
| Shanghai Juexin | China national standards | MT | 1342.68 | USD | 20251203 |
| Shandong Daoqin Chem | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 918.68 | USD | 20251203 |