Specific chemicals
| NO. | Product Name | Specification | CAS No. |
| 51 | Tetrabutyl ammonium bromide | 99.0% min | 1643-19-2 |
| 52 | Ethyl triphenylphosphonium bromide | 99.0% min | 1530-32-1 |
| 53 | Magnesium bromide diethyl etherate | 98.5% min | 29858-07-9 |
| 54 | Sulfur trioxide pyridine complex | 98.0% min | 26412-87-3 |
