The frame adopts the materials such as aluminium section,superior electrolytic plateetc.It has been implemented with overall static jetting with firm structureand pleasing appearance.It employs the modular structure with flexible and convenient allocation and installation.The contact chip of the module utilizes bright tin plating craft to ensure the contactsafety and reliability.It uses special clamp connection tools for swift and easy wire connecting tasks.There is enough wire-going space & device in the frame.There is a perfect ground system in the frame. producing area:China