＊ Exothermic welding materials：
Can be used in various applications to have the certainly good connections in work.

Many projects trust in welding method such as:
1. lightning and surge protection
2. grounding in electrical work
3. railway construction
4. sub station projection
5. cathodic projection

＊ Mold：There are three type
（1）one type：given wire to wire connection.
（2）cross type：given wire to wire cross connection.
（3）T type：given wire to wire ‘T’ type connection.