- The outer cover adopts the aluminium alloy to push shaping
- The outer cover of aluminium alloy adopts the electrophoresis to oxidize, is able to bear the chemical medium and corrode the of good performance aluminium alloy
- The empty structure, increase the area and rigidity of heat dissipation in the outer cover is special
- The appearance is beautiful, it is difficult to accumulate the dust
- The outer cover of aluminium alloy is formed through the magnetism, reduce snails and flow and loss
- Protect the grade as IP54
- Introduce mould pressing shaping of insulating material of rubber that U.S.A.'s special-purpose technology produces, the insulating grade is the F grade
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